Watchmaking Kit: GMT Watches - Mechanical

Seiko GMT mechanical movement. GMT Coke Bezel. Red - Black ceramic bezel

Coke GMT Automatic Diver with Ceramic Bezel Inserts

Pepsi GMT diver. Red Blue aluminum-steel hybrid bezel insert. Powered by Seiko NH34 GMT

Pepsi Red-Blue bezel insert for this legendary GMT look

All black GMT automatic watch. PVD case, sapphire crystals, Seiko GMT movement

PVD Blackout Automatic GMT

Seiko NH34 (a.k.a. 4R34) with Batman Ceramic Bezel Insert

GMT - Batman | Ceramic bezel Inserts with Superlume

❮
❯


Build your own mechanical GMT watches

Seiko NH34 (a.k.a. 4R34) mechanical GMT movements, optional lumed ceramic bezel inserts, sapphire crystals... don't just build any watch. Build an amazing GMT.

18 products
  • [Winter Combo] DIY Kit Bundle | 42mm White Dive GMT with extra bezel inserts & straps | Seiko Automatic GMT movement | DWC-D03
    ¥123,400
    ¥98,600
  • [Modding Starter Combo] DIY Kit Bundle | 42mm Dive GMT Coke, Pespi, and Silver steel Bezel | Seiko Automatic GMT movement | DWC-D03
    ¥125,200
    ¥106,400
  • NEW ARRIVAL - 42mm Miyota 9075 GMT dive watch kit | MAXI GMT (Signature) Fumé Lacquer dial
    ¥110,100
    ¥87,900
  • Plated 925 Silver 42mm PEPSI GMT Dive Watch kit | Vintage Diver with Patina | Aging experience | Seiko NH34
    ¥80,800
    ¥68,400
  • 42mm White Dial
    ¥79,000
    ¥71,000
  • 42mm White Dial GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    ¥79,000
    ¥67,500
  • DIY Watchmaking Kit | NH34 42mm GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03
    ¥87,900
    ¥79,000
  • DIY Watchmaking Kit | 42mm NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
    ¥82,600
    ¥74,600
  • 42mm
    ¥88,800
    ¥88,800
  • 42mm
    ¥79,000
    ¥79,000
  • DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    ¥71,000
    ¥71,000
  • A GMT Dive Watch set for those who loves a classic GMT - watchmaking kit - coke diver
    ¥95,000
    ¥95,000
  • DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    ¥75,500
    ¥75,500
  • DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    ¥75,500
    ¥75,500
  • [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    ¥101,200
    ¥101,200
  • 42mm
    ¥88,800
    ¥88,800
  • DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    ¥101,200
    ¥101,200
  • DIY Watch Kit | 42mm GMT Rose Gold Dive Watch | Seiko GMT movement | DWC-D02
    ¥75,500
    ¥67,500