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Build Your Own Visually

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 / SEIKO SKX013 Mod Parts / SKX013 Ceramic Bezel Insert (Slope) - Submariner Blue
    SKX013 Ceramic Bezel Insert (Slope) - Submariner Blue - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    SKX013 Ceramic Bezel Insert (Slope) - Submariner Blue

    $60 SGD
    Worldwide
    Delivery         Express
    2–4 Days         Replies In
    1 Day         30-Day
    Returns

    The Submariner Insert. Ceramic. For the SKX013.

    The bezel insert is the ring you actually read. The classic 60-minute diver's count-up scale — legible, timeless, and the fastest way to give your SKX a Submariner face.

    This one is fired into scratch-proof ceramic with a mirror finish. A luminous pip sits at 12 o'clock, so you can still find noon in the dark. Slope profile, adhesive-backed and pre-fitted — it seats on the SKX013 OEM bezel (or any similar-dimension bezel) the way Seiko fits its own.

    Swap the insert, change the watch.
    Same bezel, same case — a new face in minutes.

    Submariner.
    The definitive 60-minute diver's count-up ring.

    Ceramic, mirror-finished.
    Fired ceramic shrugs off scratches and holds a deep, glassy shine.

    Glows at 12.
    A lume pip at 12 o'clock keeps noon readable in the dark.

    Peel-and-stick.
    Adhesive disc included and pre-installed — line it up and press. Fits the SKX013 family.

    Heads up — fit & install

    Fits the SKX013, SKX015, SKX017 and all 7S26-0030 cases. Seats on the SKX013 OEM bezel or any similar-dimension bezel with the pre-fitted adhesive disc — peel, align to 12, and press.

    New to this? The bezel & insert install guide walks through it.

    • Specs

      1. Quality Swiss Production Quality, ISO 9001 Certified
      2. Material Ceramic
      3. Material Colour(s) Blue
      4. Inclination Slope
      5. Lume Applied Pearl @ 12H
      6. Lume Type 100% Swiss Made Super-LumiNova® BGW9, Grade A
      7. Lume Color Blue (In the night), White (In the day)
      8. Lume Duration Up to 8 hours depending on charge
      9. Fit Type Adhesive disc (Included and installed)
      10. Fit Bezels SKX013 OEM Bezel or similar dimension bezel
      11. Fit Models SKX013, SKX015, SKX017, 7S26-0030 and all our SKX013 Watch Cases
      1. 1x Bezel Insert

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

    • Fits the SKX013, SKX015, SKX017 and all 7S26-0030 cases, on the SKX013 OEM bezel or any similar-dimension bezel.

      Adhesive disc included and pre-installed — peel, align to 12 o'clock, and press.

      Pairs with:

      1. SKX013 Bezels
      2. SKX013 Sapphire Crystals
      1. How To Modify Your SEIKO Watch — Bezel & Bezel Insert
      2. Seiko Modding: The Complete Build Guide (2026)

    Questions, Answered

    Everything worth knowing before you build.

    How does a bezel insert attach?

    With a double-sided adhesive disc that's included and already fitted to the back of the insert. Peel the backing, line the insert up with your bezel — 12 o'clock to 12 — and press it down firmly for a few seconds. No press-fit, no glue, no tools; it seats the same way Seiko fits its own inserts.

    Will an SKX007 insert fit an SKX013, or vice-versa?

    No — SKX007 and SKX013 inserts are different diameters, so they aren't interchangeable. Match the insert to your case: SKX007/SRPD inserts for the SKX007 family, and SKX013 inserts for the SKX013, SKX015, SKX017 and other 7S26-0030 cases. If you're unsure, check the "Fit Models" line in the Specs.

    What's the difference between a "slope" and a "flat" insert?

    It's the top profile, not the fit. A slope insert angles up toward the crystal for a raised, more three-dimensional look; a flat insert sits level. Both seat on the same OEM (or similar-dimension) bezel — so pick whichever look you prefer; it doesn't change what it fits.

    What are the bezel inserts made of?

    Four lines, each with its own character: scratch-proof ceramic with a deep, glossy finish; lightweight aluminium; solid 316L stainless steel; and lumed sapphire.

    Which bezel inserts glow in the dark?

    Some do — look for a luminous pip at 12 o'clock. Every steel insert has one, and the BGW9 steel and lumed-sapphire lines use a 100% Swiss Super-LumiNova® BGW9 pip (a cool ice-blue glow, up to eight hours on a full charge). Three ceramic Submariner inserts — black, blue and green — carry a lume pip too.

    Do I need a bezel to use a bezel insert?

    Yes — the insert is the printed ring that sits inside your bezel, so you need a bezel to hold it. It fits the Seiko SKX013 (or SKX007) OEM bezel, or any aftermarket bezel of the same dimension. Replacing both at once? Grab the matching bezel from the "Pairs with" links.

    Can I remove or reuse a bezel insert?

    Yes. You can lift an old insert out with a thin, blunt tool — our bezel & insert install guide walks through removal. The adhesive disc is single-use, so once it's off it won't stick again — but you don't need a fresh insert to reseat one: cut a few small pieces of any double-sided adhesive tape, place them on opposite ends of the insert, line it up and press. It holds just fine.

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