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SKX013 Diver 38 Black Ultra Thin Edition — side profile showing 10.86mm ultra-thin case thickness

Ultra Thin Edition
Seikonaut Bracelet 20/16mm [TITANIUM] - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

Seikonaut
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  • SKX013 Diver 38 Black Ultra Thin Edition — side profile showing 10.86mm ultra-thin case thickness

    Ultra Thin Edition
  • Seikonaut Bracelet 20/16mm [TITANIUM] - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Seikonaut
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    Home / All Products / Nautilus Hands - Old Radium - Polished Silver
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Hands - Old Radium - Polished Silver - Old Radium - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Nautilus Hands - Old Radium - Polished Silver

    $59 SGD
    Swiss Lume

    The Vintage Sport Handset. Nautilus Profile. Old Radium Lume.

    The Nautilus hand occupies the middle ground between the Mercedes sport shape and a classic dress profile — rounder than the three-arm, more substantial than a pencil or baton. It reads as sporty but considered, which is why it pairs well with vintage-inspired dials where the whole build leans heritage.

    Filled with 100% Swiss Super-LumiNova® Old Radium. The daytime tone is warm cream-tan — the patina that makes a vintage build look right from across the room. At night, it charges to a long-lasting green glow.

    Old Radium is the lume choice for vintage builds.
    Warm cream-tan in daylight, green glow at night — the combination that makes a heritage build feel period-correct from every angle.

    Nautilus profile, mirror-polished silver.
    A rounded, substantial sport shape — polished to a clear mirror finish. The profile reads vintage-adjacent without being fragile, which makes it reliable across a range of dial styles.

    Old Radium — warm cream, green glow.
    100% Swiss Super-LumiNova® Old Radium. Warm cream-tan in daylight, green glow for up to 8 hours at night. The period-correct lume choice for any vintage sport or Fathom-style build.

    Heads up — hands are one part of the build

    Dial. Hands are paired with a dial. These suit vintage builds — see the Great Fathom Dial for a natural match.

    Movement. Hands press onto the movement's pinions — check the fit list in the Specs tab against your caliber before ordering.

    • Dimensions

      1. Hand Length — H / M / S 8.5 / 12.5 / 12.5mm
      2. Pinion Size — H / M / S 1.50 / 0.88 / 0.198mm

      Materials & Finish

      1. Quality Swiss Production Quality, ISO 9001 Certified
      2. Surface Finish Polished
      3. Colour Silver
      4. Style Nautilus-style hour, minute and second hands

      Compatibility

      1. Fit Movements 7S26, 7S36, 4R15, 4R35, 4R36, 6R15, NE15, NH25, NH26, NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72

      Lume

      1. Lume Type 100% Swiss Made Super-LumiNova® Old Radium
      2. Lume Colour Green (in the night), Warm cream-tan (in the day)
      3. Lume Duration Up to 8 hours depending on charge

    • 1x Watch Hands Set — Hour, Minute and Second

      All photos of watches with modification parts are for illustration purposes only and are not included with the hands purchase.

    • Recommended mods with:

      1. The Great Fathom Dial
      1. A Complete Guide On How To Mod Your SEIKO Watch Dial And Hands (Photos & Video)
      2. Seiko Modding: The Complete Build Guide (2026)

    Questions, Answered

    Everything worth knowing before you build.

    Will these hands fit my movement?

    Check the Fit Movements list in the Specs tab against your caliber. The handset fits a wide range of Seiko movements — including 7S, 4R, 6R, NE and NH families — because they share a common pinion pattern. If your caliber is on the list, these hands fit.

    What are the pinion sizes?

    Hour 1.50mm, minute 0.88mm, second 0.198mm. The pinion is the hole at the base of each hand that presses onto the movement — these dimensions match the standard Seiko pinion pattern shared across the calibers in the fit list.

    Can I use these on a GMT (NH34) build?

    The hour, minute and second hands fit the NH34. A GMT build also needs a separate GMT hand, which is not included in this set.

    Do the hands come with lume?

    Yes — these hands are filled with 100% Swiss Super-LumiNova® Old Radium, for a long-lasting green glow at night, with a warm cream-tan tone in daylight. That aged look suits vintage and heritage builds, where the patina is the point.

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