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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
    • Home / Products / Nautilus Arctic White Dial (Open Heart)
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Nautilus Arctic White Dial (Open Heart) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Nautilus Arctic White Dial (Open Heart)

    $89 SGD

    LIMITED EDITION · 100 pieces only. Once this run sells out, this dial is retired for good — never remade.

    Nautilus Arctic White Dial. Applied Indices. BGW9 Grade A Lume. Open Heart.

    An arctic white Nautilus dial that runs two finishes at once — brushed and matte — so a single colour carries a striking texture contrast.

    Finished in brushed and matte white, decorated with polished-black applied beveled indices filled with 100% Swiss Super-LumiNova® BGW9 Grade A for a long, even night-time glow.

    Part of the Nautilus Arctic White family.
    Limited to a single run and never restocked — once it sells out, it is retired for good. Browse the dials collection .

    Dual-finish texture.
    Brushed and matte worked into one arctic-white surface — the contrast catches the light differently across the dial and keeps a single colour from reading flat.

    Lumed beveled indices.
    Polished-black applied indices against the white face, each bevel filled with Swiss Super-LumiNova® BGW9 Grade A — blue at night, white by day, up to 8 hours on a full charge.

    Choose your Nautilus Arctic White dial

    Variant Complication Movement Notes
    Nautilus Arctic White Dial (No Date) No Date NH38 (NH70 / NH71 / NH72 also fit) Clean no-date face
    Nautilus Arctic White Dial (Date) Date NH35 (NH36 also fits) Date window at 3 o'clock
    Nautilus Arctic White Dial (Date @ 6H) Date @ 6H NH35 Date @ 6H — white wheel Date at 6 o'clock; special-order NH35
    Nautilus Arctic White Dial (Day Date) Day Date NH36 Day + date at 3 o'clock
    Nautilus Arctic White Dial (GMT) GMT NH34 only 24h GMT hand; 2.7mm centre hole
    Nautilus Arctic White Dial (Open Heart) — you're viewing Open Heart NH38 only Open-heart aperture; 2 legs

    Heads up — a dial is one part of the build

    Hands. A dial needs a matching set of hands to tell time. For the lume to match, we recommend a set of Swiss Super-LumiNova® BGW9 hands .

    Movement. This Open Heart dial needs the Seiko NH38 — this open-heart dial is cut for the NH38 only.

    Handle the applied indices with care

    The hour markers are individually applied beveled indices. They are seated firmly for normal wear, but like any applied marker they can shift if pressed or knocked during assembly — handle the dial by its edges and seat your hands with care.

    Questions, Answered

    Everything worth knowing before you build.

    Will this dial fit my case?

    Yes, almost certainly. This is a standard Seiko mod dial — 28.5mm in diameter and 0.4mm thick, the industry-standard size — so it fits most, if not all, Seiko cases. Where a dial is shown with a particular case, that's an aesthetic pairing, not a fitment requirement. If you're unsure, the surest check is to remove your current dial and measure it with a vernier caliper.

    Does this dial have lume?

    Yes — the applied indices are filled with 100% Swiss Super-LumiNova® BGW9 Grade A: a cool blue glow by night, white by day, lasting up to eight hours on a full charge. For maximum glow, pair it with hands that also carry BGW9 so the whole face glows together (hands are sold separately).

    Is this a limited edition / will it be restocked?

    Yes, it's a limited edition, and it won't be restocked. Once the run sells out it's retired for good. The edition size is shown on the product page.

    Are the markers applied or printed?

    Applied. The hour markers are applied (raised) indices — raised metal on the dial surface, not flat print. The relief is what gives the face its depth and light play as the wrist moves.

    What is an open-heart dial / which movement does it need?

    An open-heart dial has an aperture cut into the face to reveal the movement's balance wheel — the beating heart of the watch — through the dial. It's built for the open-heart NH family on a 3 o'clock crown: the Seiko NH38 (the NH70, NH71 and NH72 fit too), whose balance the opening is positioned to frame. Because it's matched to that one family, the dial comes with two feet already in position — nothing to clip.

    Are hands included with this dial?

    No — dials and hands are sold separately. This listing is for the dial only; choose a matching handset to complete the build. If your dial is lumed, pairing it with lumed hands in the same lume type keeps the whole face glowing together.

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