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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

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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 / Bestsellers / Hemicube Dial (No Date)
    Hemicube Dial (No Date) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Hemicube Dial (No Date) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Hemicube Dial (No Date) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Hemicube Dial (No Date) - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Hemicube Dial (No Date)

    $77 SGD

    LIMITED EDITION · 200 pieces only. Once this run sells out, this dial is retired for good — never remade.

    Hemicube Guilloché Dial. Sandblast Ruthenium. No Date.

    True guilloché is engraved on a rose-engine lathe by a handful of master craftsmen, and a single dial can run from roughly a thousand to tens of thousands of dollars — the technique is all but monopolised by luxury houses. We wanted that hand-engraved depth without the hand-engraved price.

    So we recreated the look of guilloché: a repeating field of three-dimensional cubes — the hemicube — built from a precision sandblast texture that plays with depth, light and shadow. The illusion of carved geometry, at a fraction of the cost.

    No logo, no indices, no numerals. Just a pure, illusionary cube field in cool Ruthenium Silver. This is the closed no-date version — a clean cube face from edge to edge.

    A numbered run of 200.
    Prefer the exposed-balance look? See the Open Heart Hemicube, or Browse the dials collection .

    A guilloché illusion.
    A repeating three-dimensional cube field that reads as carved depth — the look of rose-engine guilloché, reproduced in a precision texture rather than hand-engraved.

    Sandblast Ruthenium.
    A matte, non-reflective sandblast finish in cool Ruthenium Silver. The lack of gloss is the point — the cubes draw their depth from shadow, shifting as light moves across the dial.

    A clean, blank face.
    No applied or printed indices, no numerals, no logo, no text. The cube pattern is the entire design; your choice of hands does the timekeeping.

    Choose your Hemicube dial

    Version Layout Movements Run
    Hemicube Dial (No Date) — you’re viewing Closed cube face, no date 3 & 4 o’clock NH / 4R / 7S 200 pieces
    Hemicube Dial (Open Heart) Open-heart balance aperture NH38 / NH70 / NH71 / NH72 100 pieces

    Heads up — a dial is one part of the build

    Hands. A dial needs a matching set of hands to tell time. This is a non-lume dial, so it pairs with any set of hands you like — for a night-time glow, choose lumed hands, since the dial itself carries no lume.

    Movement. The No Date Hemicube ships with four dial feet and seats on a broad range of 3 o’clock or 4 o’clock calibres — 7S26, 7S36, 4R15, 4R35, 6R15, NE15, NH25, NH26, NH35, NH36, NH38, NH39 — clip the two feet you don’t need. A date or day movement works too; the disc simply hides behind the blank cube face.

    Questions, Answered

    Everything worth knowing before you build.

    Is the Hemicube a real guilloché dial?

    No — and we’re upfront about that. True guilloché is cut by hand on a rose-engine lathe, and a single dial can cost anywhere from around a thousand to tens of thousands of dollars, because only a handful of master engravers still do it. The Hemicube reproduces the look of guilloché — a repeating three-dimensional cube field that plays with depth, light and shadow — using a precision sandblast-textured pattern instead. You get the hand-engraved illusion at a tiny fraction of the cost.

    What finish and colour is the Hemicube dial?

    A sandblast-textured surface in Ruthenium Silver. The sandblast finish is matte and non-reflective, which is exactly what makes the 3D cube pattern read — the depth comes from shadow, not gloss. The ruthenium tone is a cool, gunmetal-leaning silver that shifts subtly as light moves across the cubes.

    Does the Hemicube dial have any markers, numerals, or a logo?

    None. No applied or printed indices, no numerals, no logo, no text. The three-dimensional cube field is the entire design — a clean, uninterrupted surface. Your choice of hands does the timekeeping.

    Does the Hemicube dial have lume?

    No — the dial carries no lume, since there are no markers to lume. If you want the watch to glow at night, that comes from your hands: pair the dial with a lumed hand set. The dial itself stays a pure textured surface.

    Which movement does the Hemicube dial need?

    It depends on the version. The No Date Hemicube is broadly compatible — it fits 7S26, 7S36, 4R15, 4R35, 6R15, NE15, NH25, NH26, NH35, NH36, NH38 and NH39, and ships with four dial feet so it can seat on either a 3 o’clock or a 4 o’clock crown (clip the two feet you don’t need). The Open Heart version is different: it is cut for the open-heart NH family only — NH38, NH70, NH71, NH72 — on a 3 o’clock layout. Check the version you’re buying.

    Will this dial fit my case?

    Yes, almost certainly. This is a standard 28.5mm dial — the industry-standard size for Seiko mod builds. It fits any case designed for a 28.5mm dial, whether that's a Bauhaus 33, an SKX013, or another aftermarket case. The matched case shown with a dial is an aesthetic pairing, not a fitment requirement.

    Why does the dial have four legs?

    The dial ships with four legs so it fits two different crown positions. Seiko movements come in 3 o'clock and 4 o'clock crown layouts, and the dial feet sit in different places for each. Clip off the two legs that don't match your crown position — two stay, two go.

    How do I fit it to a 3 o'clock or a 4 o'clock crown movement?

    Remove the two legs that don't match your movement's crown position by clipping or gently twisting them off, then seat the dial as normal. Two legs stay, two go. See the How To Mod tab for the full fitting walkthrough.

    Does it work with normal or ultra thin chapter rings?

    Both. All our SKX013 chapter rings — normal and ultra thin — clear the dial. Choose by your case's clearance, not the dial.

    Is this a limited edition — will it be restocked?

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

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