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Seiko-Dweller 36mm [ULTRA THIN EDITION / TITANIUM]

✦✦✦ PRE-ORDER ✦✦✦
Enjoy 30% OFF during the pre-order period!!
Estimated Release Date: 11 Nov 2025
(Release date subject to change)

FREE WORLDWIDE SHIPPING

BUILD YOUR OWN WATCH!
5 main components required to complete a watch.
Seiko-Dweller
Dial
Hands
Chapter Ring
Movement
Movement Holder (optional)
Tweezer (optional)

HOW TO START?

  • For a complete watch, select your (1) Dial, (2) Hands, (3) Chapter Ring and (4) Movement.
  • To have watch assembled, select (5) Assemble Watch (optional). Please note that assembling the entire timepiece requires 2 to 5 business days prior to shipping.

Introducing the Seiko-Dweller — a 36mm case that blends timeless elegance with modern engineering. Designed in an ultra-thin profile and built entirely from Grade 4 Titanium, it achieves the perfect balance of strength, refinement, and featherlight comfort.

In fact, this is the first and only ultra-thin titanium Seiko-Dweller case on the market — a milestone release that redefines what’s possible in titanium watchmaking.

Those familiar with classic fluted sports watches will instantly recognize its silhouette. Yet unlike the usual 316L stainless steel builds, this edition goes all out in Grade 4 Titanium — lighter on the wrist, stronger than steel, and naturally resistant to corrosion. At just 10.0mm thick (with solid caseback) and weighing only 70 grams with its integrated titanium bracelet, it delivers remarkable slimness and wearability without compromise.

The mirror-polished fluted bezel and 7mm coin-edge crown complete the look, offering classic detailing with contemporary execution. Titanium’s subtle grey tone sets it apart from stainless steel, while its superior hardness ensures resistance to scratches, dents, and daily wear — all while maintaining a refined polished finish.

The integrated titanium bracelet itself is an extreme challenge to craft. Comprising over 110 individual parts, each link combines polished and brushed finishes, meticulously chained together to achieve both durability and fluid articulation. For performance, reliability, and practicality, the butterfly deployment clasp and bracelet screws are made from 316L stainless steel—ensuring long-term durability, secure fastening, and keeping the total cost manageable without compromising function or style.

Package includes:
• Solid Titanium Caseback (non-display)
• Pre-installed 7mm Titanium Coin-Edge Crown
• Integrated Titanium Bracelet
• Flat Sapphire Crystal with double-sided AR coating

Compatibility: Fits all 28.5mm dials and all SKX013 chapter rings.

The Seiko-Dweller — a modern classic reimagined in titanium: ultra-thin, ultra-light, and built to last a lifetime.

IMPORTANT: This case can ONLY fit TYPE M of NH35, NH36, NH38, NH70, NH71 and NH72 movement. TYPE L of these movements will NOT fit. Due to low tolerance/space between hands and sapphire, this case is ONLY recommended for professional watchmakers and highly skilled/experienced modders with great level of finesse.

    1. Quality Swiss Production Quality, ISO 9001 Certified
    2. Material Grade 4 Titanium (Bracelet, Case, Crown, Caseback)
    3. Bracelet Integrated
    4. Case Diameter 36mm
    5. Case Thickness 10mm (Solid Caseback)
    6. Lug to Lug 43.8mm
    7. Lug Width 9mm
    8. Crown Screw down
    9. Crystal Flat Sapphire with Clear Anti-Reflective Coating
    10. Crystal Size 29.5mm x 1mm
    11. Water Resistant 100m / 10atm
    12. Weight 70g
    13. Fit Dial Size 28.5mm
    14. Fit Chapter Rings All SKX013 CRs
    15. Fit Movements TYPE M: NH35, NH36, NH38, NH70, NH71, NH72
    1. 1x Watch Case (Inclusive of installed sapphire, crown and caseback)
    2. 1x Integrated Bracelet

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

  • Recommended Mods With:

    1. Swiss Super-LumiNova® BGW9 Hands
    1. A Complete Guide On How To Mod Your SEIKO Watch Dial And Hands (Includes Photos & Video)
    2. Learn about fitting dials with four dial legs

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