Built Watch: Namoki Stealth YM Submarine Diver, Matte Black PVD

Watchdog Supply Co.

Built Watch: Namoki Stealth YM Submarine Diver, Matte Black PVD


Here at Watchdog Supply Co., we take pride in our craftsmanship and attention to detail. It is standard here that every one of our built watches are individually hand-assembled and tested for quality by a professional trained in watch assembly, repair, and modification. Our watches are held to the highest possible standard of craftsmanship achievable at this price range, and this beautiful timepiece is no exception.


  • MovementSeiko [SII] NH35a (Date Only) Automatic Movement: White
  • Case: Submarine Case, Matte Black PVD Finish
  • Bezel: Submarine Bezel, Matte Black PVD Finish
  • Bezel InsertCeramic Bezel Insert: YM, Black
  • Bracelet: Oyster Bracelet, Solid Milled Clasp, Matte Black PVD Finish
  • Chapter Ring: Brushed Chapter Ring, Matte Black PVD Finish
  • Crown: Submarine Screw-Down Crown, Matte Black PVD Finish
  • Crystal: Flat Sapphire Crystal
  • Caseback: Solid Submarine Caseback, Matte Black PVD Finish

Dial & Hands:

  • Dial: Namoki Divemaster, Stealth
  • Handset: SKX, Skeleton Frame


  • Case Diameter: 42.0mm
  • Case Thickness: 13.0mm
  • Lug-to-Lug: 47.9mm
  • Lug Width: 20.0mm

 This is a one-of-a-kind build that will not be reproduced in the future.

All gaskets have been lubricated and sealed, and the case has been pressure tested to 6 atmospheres (~165 ft.) twice, once before assembly and once after.

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