{"title":"Rotors \u0026 Bridges","description":"\u003cp\u003eThe rotor is the part of an automatic movement you actually see through an exhibition caseback — the weight that swings as you wear the watch — and the bridge is the plate beside it. This collection decorates both — Côtes de Genève, GS 9SA5 and FPJ Diamond finishing in silver, gold tones, gunmetal and blue — machined for the Seiko NH family from the NH34 GMT through NH35, NH36 and NH38. The finish is PVD coating, part of the surface rather than a layer of paint. Pair a rotor and bridge on a solid movement; for skeletonised NH70-series movements, a rotor alone is the right pick — the FAQ explains why.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNarrow it down:\u003c\/strong\u003e  \u003ca href=\"\/collections\/rotors-and-bridges\" class=\"la-chip\"\u003eAll (40)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/rotor\" class=\"la-chip\"\u003eRotors (33)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" class=\"la-chip\"\u003eBridges (7)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/silver\" class=\"la-chip\"\u003eSilver (9)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/gold\" class=\"la-chip\"\u003eGold (15)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/gunmetal\" class=\"la-chip\"\u003eGunmetal (7)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/blue\" class=\"la-chip\"\u003eBlue (8)\u003c\/a\u003e\u003ca href=\"\/collections\/rotors-and-bridges\/black\" class=\"la-chip\"\u003eBlack (1)\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"nh-movement-rotor-cotes-de-geneve-silver","title":"NH Movement Rotor - Côtes de Genève - Silver","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève in silver. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe Côtes de Genève motif — those fine, repeating arcs swept across a movement's surface — is the best-known decoration in watchmaking. It's the finish you picture when you picture a movement worth showing.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is that finish, machined onto a drop-in NH movement rotor and coated in silver. The colour is applied by PVD — physical vapour deposition — so it's part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe rotor is the weight that swings as you wear the watch — the one moving part you actually see through an exhibition caseback. Swapping it is the simplest mod there is.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one. No watchmaker required.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe silver is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève · Silver · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH34 Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43378770706668,"sku":"R-CDG-Sil","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-Cotes-de-Geneve-Silver-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688538"},{"product_id":"nh-movement-rotor-fpj-diamond-silver","title":"NH Movement Rotor - FPJ Diamond - Silver","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. FPJ Diamond in silver. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — FPJ Diamond, finished in silver by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe silver is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e FPJ Diamond · Silver · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43378865832172,"sku":"R-FPJ-Sil","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-FPJ-Diamond-Silver-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688554"},{"product_id":"nh-movement-rotor-gs-9sa5-yellow-gold","title":"NH Movement Rotor - GS 9SA5 - Yellow Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. GS 9SA5 in yellow gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — GS 9SA5, finished in yellow gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe yellow gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e GS 9SA5 · Yellow Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379466862828,"sku":"R-GS-Y.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-GS-9SA5-Yellow-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688578"},{"product_id":"nh-movement-rotor-cotes-de-geneve-rose-gold","title":"NH Movement Rotor - Côtes de Genève - Rose Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève in rose gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève, finished in rose gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rose gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève · Rose Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379470794988,"sku":"R-CDG-R.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-Cotes-de-Geneve-Rose-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688586"},{"product_id":"nh-movement-rotor-fpj-diamond-rose-gold","title":"NH Movement Rotor - FPJ Diamond - Rose Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. FPJ Diamond in rose gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — FPJ Diamond, finished in rose gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rose gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e FPJ Diamond · Rose Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379470827756,"sku":"R-FPJ-R.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-FPJ-Diamond-Rose-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688594"},{"product_id":"nh-movement-rotor-gs-9sa5-gunmetal","title":"NH Movement Rotor - GS 9SA5 - Gunmetal","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. GS 9SA5 in gunmetal. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — GS 9SA5, finished in gunmetal by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe gunmetal is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e GS 9SA5 · Gunmetal · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379472793836,"sku":"R-GS-Gun","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-GS-9SA5-Gunmetal-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688629"},{"product_id":"nh-movement-rotor-fpj-diamond-blue","title":"NH Movement Rotor - FPJ Diamond - Blue","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. FPJ Diamond in blue. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — FPJ Diamond, finished in blue by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe blue is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e FPJ Diamond · Blue · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379475316972,"sku":"R-FPJ-Blue","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-FPJ-Diamond-Blue-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1665688645"},{"product_id":"nh-movement-rotor-gs-9sa5-blue","title":"NH Movement Rotor - GS 9SA5 - Blue","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. GS 9SA5 in blue. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — GS 9SA5, finished in blue by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe blue is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e GS 9SA5 · Blue · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43379475480812,"sku":"R-GS-Blue","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-GS-9SA5-Blue-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1743621372"},{"product_id":"nh-movement-rotor-the-great-fathom-blue","title":"NH Movement Rotor - The Great Fathom - Blue","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. The Great Fathom in blue. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — The Great Fathom, finished in blue by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe blue is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e The Great Fathom · Blue · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43701274083564,"sku":"R-TGF-Blue","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-The-Great-Fathom-Blue-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1678302934"},{"product_id":"nh-movement-rotor-the-great-fathom-silver","title":"NH Movement Rotor - The Great Fathom - Silver","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. The Great Fathom in silver. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — The Great Fathom, finished in silver by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe silver is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e The Great Fathom · Silver · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43701275754732,"sku":"R-TGF-Sil","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-The-Great-Fathom-Silver-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1678302942"},{"product_id":"nh-movement-rotor-the-great-fathom-yellow-gold","title":"NH Movement Rotor - The Great Fathom - Yellow Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. The Great Fathom in yellow gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — The Great Fathom, finished in yellow gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe yellow gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e The Great Fathom · Yellow Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43701275951340,"sku":"R-TGF-Y.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-The-Great-Fathom-Yellow-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1678302950"},{"product_id":"nh-movement-rotor-the-great-fathom-rose-gold","title":"NH Movement Rotor - The Great Fathom - Rose Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. The Great Fathom in rose gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — The Great Fathom, finished in rose gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rose gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e The Great Fathom · Rose Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43701276082412,"sku":"R-TGF-R.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-The-Great-Fathom-Rose-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1678302958"},{"product_id":"nh-movement-rotor-the-great-fathom-gunmetal","title":"NH Movement Rotor - The Great Fathom - Gunmetal","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. The Great Fathom in gunmetal. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — The Great Fathom, finished in gunmetal by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe gunmetal is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e The Great Fathom · Gunmetal · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43701276246252,"sku":"R-TGF-Gun","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/products\/NH-Movement-Rotor-The-Great-Fathom-Gunmetal-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1678302965"},{"product_id":"nh-movement-bridge-cotes-de-geneve-sunburst","title":"NH Movement Bridge - Côtes de Genève - Sunburst - Silver","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe plate beside the rotor. Côtes de Genève, sunburst silver. The pairing, completed.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe Côtes de Genève motif — fine repeating arcs swept across a movement's surface — is the best-known decoration in watchmaking, and the natural match for a decorated rotor.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is the NH automatic train bridge, machined with a sunburst Côtes de Genève pattern and finished in silver by PVD — physical vapour deposition, bonded into the surface rather than painted on. Run it alongside a decorated rotor and the movement reads as one finished piece, rather than one nice part next to a bare plate.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eMade to match your rotor.\u003c\/strong\u003e\u003cbr\u003eThe bridge finishes the half of the movement a rotor can't reach — for solid NH calibres shown under an exhibition caseback.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eCompletes the pairing.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe bridge sits beside the rotor. Decorated together in the same finish, the movement looks designed rather than modded.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe silver is laid down by physical vapour deposition — part of the surface, not a coat on top. It won't flake, and it can't be stripped to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eWatchmaker's territory.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eFitting the bridge means removing the automatic train bridge and working around the magic lever. This one is for experienced hands — see the note below.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eFor solid NH movements.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eBuilt for solid (non-skeleton) NH calibres under a sapphire caseback — not for skeletonised movements.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e Before you buy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003ePairs only with our rotors.\u003c\/strong\u003e The bridge is optimised to fit Lucius Atelier rotors and is incompatible with the OEM NH rotor — plan to run a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/rotor\" target=\"_blank\"\u003erotor \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e with it.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eExhibition caseback.\u003c\/strong\u003e Like the rotor, the bridge only shows behind a sapphire (exhibition) caseback.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #fff5f5; padding: 18px; border-left: 4px solid #ff2a00; margin-top: 12px;\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #ff2a00;\"\u003e\u003cspan class=\"glyphicon glyphicon-warning-sign\"\u003e\u003c\/span\u003e For professional watchmakers \u0026amp; experienced modders only\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px; color: #7a1f1f;\"\u003e\u003cem\u003eFitting the bridge means removing the automatic train bridge and working around the pawl lever (the \"magic lever\"). Mis-seat it and you can pop out the second reduction wheel. The screws are 1mm — easy to lose. This is not a beginner mod; it takes a steady hand and finesse.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0; color: #7a1f1f;\"\u003e\u003cem\u003e\u003cstrong\u003eNot for skeletonised movements.\u003c\/strong\u003e A decorated bridge covers the automatic train bridge — on a skeletonised NH70\/71\/72 that hides the openwork you paid for. For a skeleton movement, run a decorated rotor on its own instead.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève, Sunburst · Silver · PVD coating\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72 (solid movements)\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eRotor\u003c\/strong\u003e Lucius Atelier rotors only — incompatible with the OEM NH rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eOur movement bridges are optimised to fit only our full range of rotors. Importantly, they are \u003cstrong\u003eincompatible with the OEM NH rotor\u003c\/strong\u003e — pair the bridge with a Lucius Atelier decorated rotor.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe bridge is for \u003cstrong\u003esolid\u003c\/strong\u003e NH movements. On a skeletonised NH70\/71\/72 it covers the openwork, so a decorated rotor alone is the right choice there.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Bridge\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e2x Blue Screws\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFor professional watchmakers and experienced modders. Work slowly and keep track of the 1mm screws:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eTools: 2–3mm flat screwdriver, 1.0–1.4mm flat screwdriver, tweezers.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eRemove the existing rotor with the 2–3mm flat screwdriver.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eUnscrew and remove the two automatic train bridge screws with the 1.0–1.4mm flat screwdriver.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eLift out the automatic train bridge with tweezers, taking care around the magic lever and the second reduction wheel.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eFit the decorated bridge and secure it with the two blue screws.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eReseat and screw down the rotor.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? This one isn't the place to start — read \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e first.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43705713524972,"sku":"bridge-sunburst","price":85.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Bridge-Cotes-de-Geneve-Sunburst-Silver-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1707592787"},{"product_id":"nh-movement-rotor-cotes-de-geneve-ii-rose-gold","title":"NH Movement Rotor - Côtes de Genève II - Rose Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève II in rose gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève II, finished in rose gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rose gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève II · Rose Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43942013829356,"sku":"R-CDGII-R.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Cotes-de-Geneve-II-Rose-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1693509597"},{"product_id":"nh-movement-rotor-cotes-de-geneve-ii-gunmetal","title":"NH Movement Rotor - Côtes de Genève II - Gunmetal","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève II in gunmetal. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève II, finished in gunmetal by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe gunmetal is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève II · Gunmetal · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":43942014058732,"sku":"R-CDGII-Gun","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Cotes-de-Geneve-II-Gunmetal-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1743621404"},{"product_id":"nh-movement-rotor-hemicude-silver","title":"NH Movement Rotor - Hemicude - Silver","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Hemicude in silver. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Hemicude, finished in silver by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe silver is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Hemicude · Silver · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":44395925668076,"sku":"R-Hemi-Sil","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Hemicude-Silver-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1707765512"},{"product_id":"nh-movement-rotor-hemicude-yellow-gold","title":"NH Movement Rotor - Hemicude - Yellow Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Hemicude in yellow gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Hemicude, finished in yellow gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe yellow gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Hemicude · Yellow Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":44395953127660,"sku":"R-Hemi-Y.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Hemicude-Yellow-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1707765523"},{"product_id":"nh-movement-rotor-hemicude-rose-gold","title":"NH Movement Rotor - Hemicude - Rose Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Hemicude in rose gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Hemicude, finished in rose gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rose gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Hemicude · Rose Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":44395954176236,"sku":"R-Hemi-R.Gold","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Hemicude-Rose-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1707765534"},{"product_id":"nh-movement-rotor-hemicude-gunmetal","title":"NH Movement Rotor - Hemicude - Gunmetal","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Hemicude in gunmetal. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Hemicude, finished in gunmetal by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe gunmetal is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Hemicude · Gunmetal · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":44395955454188,"sku":"R-Hemi-Gunmetal","price":47.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Hemicude-Gunmetal-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1707765544"},{"product_id":"nh-movement-rotor-cotes-de-geneve-iii-yellow-gold","title":"NH Movement Rotor - Côtes de Genève III - Yellow Gold","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève III in yellow gold. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève III, finished in yellow gold by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe yellow gold is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève III · Yellow Gold · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":45393724637420,"sku":"R-CDG3-Y.Gold","price":45.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Cotes-de-Geneve-III-Yellow-Gold-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1719602273"},{"product_id":"nh-movement-rotor-cotes-de-geneve-iii-blue","title":"NH Movement Rotor - Côtes de Genève III - Blue","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève III in blue. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève III, finished in blue by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe blue is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève III · Blue · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":45393774117100,"sku":"R-CDG3-Blue","price":45.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Cotes-de-Geneve-III-Blue-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1719602282"},{"product_id":"nh-movement-rotor-cotes-de-geneve-iii-black","title":"NH Movement Rotor - Côtes de Genève III - Black","description":"\u003c!-- split --\u003e\n\u003cdiv class=\"row\" style=\"background-color: #faf7f2; padding: 32px; margin-top: 0;\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cstrong\u003eThe movement, dressed. Côtes de Genève III in black. Seen through the caseback.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA decorated rotor turns the one moving part you see through an exhibition caseback — the weight that swings as you wear the watch — into the finished centrepiece of the movement.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a drop-in NH movement rotor — Côtes de Genève III, finished in black by PVD (physical vapour deposition), so the colour is part of the metal's surface, not a layer of paint that can chip or peel.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwapping it is the simplest mod there is — a single screw, no movement surgery, no watchmaker.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px dashed #999; width: 100%;\"\u003e\u003cem\u003e\u003cstrong style=\"color: #0abab5;\"\u003eOne screw. Two minutes.\u003c\/strong\u003e\u003cbr\u003eYou're not opening the movement — just trading the bare oscillating weight for a decorated one.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"eight columns alpha\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eSeen through the caseback.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe rotor is the first thing the eye lands on behind an exhibition sapphire — the part that moves. Decorate it and the whole movement reads as considered.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003ePVD, not paint.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe black is laid down by physical vapour deposition — bonded into the surface, not brushed on. It won't flake, and it can't be stripped back to bare steel.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eight columns omega\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eA two-minute mod.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eIt seats on the rotor post and holds with a single screw. No movement disassembly, no special tools, no risk to the calibre.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0abab5;\"\u003eBuilt for the NH family.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMachined to Seiko's OEM rotor geometry — 0.15mm thicker to carry the CNC decoration — and tested to fit the full NH, 4R and 7S automatic line.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f4f4; padding: 20px; border-left: 4px solid #0abab5; margin-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"glyphicon glyphicon-info-sign\"\u003e\u003c\/span\u003e To see it, you'll want\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eAn exhibition caseback.\u003c\/strong\u003e A decorated rotor only shows behind a sapphire (exhibition) caseback — a solid steel caseback hides the movement entirely.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003e\u003cem\u003e\u003cstrong\u003eA matching bridge.\u003c\/strong\u003e For the complete look, pair the rotor with a decorated \u003ca href=\"\/collections\/rotors-and-bridges\/bridge\" target=\"_blank\"\u003eNH movement bridge \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e in the same finish.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eFit \u0026amp; Compatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab3\"\u003eWhat's Included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab4\"\u003eHow To Fit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli style=\"list-style-type: none;\" class=\"active\" id=\"tab1\"\u003e\n\u003cp\u003e\u003cstrong\u003eFinish \u0026amp; Build\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eQuality\u003c\/strong\u003e Swiss Production Quality, ISO 9001 Certified\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e Côtes de Genève III · Black · PVD coating\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e 0.15mm thicker than the Seiko OEM rotor, to carry the CNC decoration\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eFit Movements\u003c\/strong\u003e 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003e Exhibition (sapphire) caseback required to display\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab2\"\u003e\n\u003cp\u003e\u003cem\u003eTo allow for CNC decoration, the decorated rotor is \u003cstrong\u003e0.15mm thicker\u003c\/strong\u003e than the Seiko OEM rotor. Each rotor is \u003cstrong\u003etested to fit all our bridges, cases and casebacks\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBelow is \u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003eSeiko's technical drawing \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e. As long as the case and caseback follow Seiko's OEM specification — a 0.4mm gap between the rotor and caseback — the rotor fits. If those parts deviate from Seiko OEM dimensions, the rotor may be incompatible.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca title=\"OFFICIAL SEIKO TIME MODULE TMI\" href=\"https:\/\/www.timemodule.com\/articles\/standard-mechanical-movement\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" alt=\"SEIKO NH Rotor and Caseback clearance drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/SEIKONH34RotorandCaseback.png?v=1678668985\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab3\"\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003e1x NH Movement Rotor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff9900;\"\u003e\u003cem\u003eAll photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"tab4\"\u003e\n\u003cp\u003e\u003cem\u003eFitting a rotor is the easiest mod there is:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli type=\"disc\"\u003eUnscrew the existing rotor screw with a 2–3mm flat screwdriver and lift the old rotor off.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eSeat the decorated rotor on the post.\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eScrew it back down — done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNew to modding? Start with \u003ca href=\"\/blogs\/news\/seiko-watch-modding-101\" target=\"_blank\"\u003eSeiko Modding: The Complete Build Guide \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/watch-movements\" target=\"_blank\"\u003eNH Movements \u003cspan class=\"glyphicon glyphicon-new-window\"\u003e\u003c\/span\u003e\u003c\/a\u003e to build around it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucius Atelier","offers":[{"title":"Default Title","offer_id":45393802821868,"sku":"R-CDG3-Black","price":45.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0012\/0386\/3612\/files\/NH-Movement-Rotor-Cotes-de-Geneve-III-Black-Lucius-Atelier-Swiss-Quality-Seiko-Watch-Mod-Parts.jpg?v=1743621430"}],"url":"https:\/\/luciusatelier.com\/collections\/rotors-and-bridges\/gunmetal.oembed","provider":"Lucius Atelier","version":"1.0","type":"link"}