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Collection: 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.

21 products
  • [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and PVD steel Bezel | Seiko Automatic GMT movement | DWC-D03
    [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and PVD steel Bezel | Seiko Automatic GMT movement | DWC-D03
    Regular price
    $700.00
    Sale price
    $490.00
  • DIY Watch Kit | All Black GMT Diver | Seiko NH34 Automatic GMT | 24hr Stainless Steel PVD Bezel | DWC-D03
    ALL BLACK GMT DIVER - diy watch club
    Regular price
    $475.00
    Sale price
    $335.00
  • White dial "Coke" Diver Dress GMT Watch Kit | Stainless Stain Bracelet | Ceramic Red-Black GMT Bezel | DWC-D03
    White dial
    Regular price
    $520.00
    Sale price
    $390.00
  • "Coke" Diver Dress GMT Watch Kit | Stainless Stain Bracelet | Ceramic Red-Black GMT Bezel | DWC-D04
    DIY WATC CLUB - GMT diver with stainless steel bracelet - coke bezel
    Regular price
    $520.00
    Sale price
    $390.00
  • DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    Regular price
    $455.00
    Sale price
    $365.00
  • DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    Regular price
    $490.00
    Sale price
    $395.00
  • Bronze GMT Dive Watch kit | Seiko Automatic GMT movement | 24hr PVD Bezel (Stainless Steel) with BGW9 | DWC-D03
    Bronze GMT Dive Watch kit | Seiko Automatic GMT movement | 24hr PVD Bezel (Stainless Steel) with BGW9 | DWC-D03
    Regular price
    $590.00
    Sale price
    $590.00
  • DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03RIVAL
    DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03RIVAL
    Regular price
    $520.00
    Sale price
    $390.00
  • "Sprite" Diver Dress GMT Watch Kit | NH34 GMT Dive Watch | Stainless Stain Bracelet | Green-Black GMT Bezel | DWC-D04
    DIY WATC CLUB - GMT diver with stainless steel bracelet - sprite bezel
    Regular price
    $490.00
    Sale price
    $365.00
  • Best DIY watch gift for BRONZE watch lovers - A GMT Bronze Diver
    Best DIY watch gift for BRONZE watch lovers - A GMT Bronze Diver
    Regular price
    $720.00
    Sale price
    $720.00
  • DIY Watchmaking Kit | NH34 GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03
    DIY Watchmaking Kit | NH34 GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03
    Regular price
    $520.00
    Sale price
    $390.00
  • DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    DIY WATCH CLUB - Pepsi gmt diver watchmaking kit
    Regular price
    $490.00
    Sale price
    $395.00
  • [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    DIY Watchmaking Kit | NH34 GMT ALL BLACK COKE Dive Watch | Automatic GMT Red and Black | Ceramic COKE GMT | DWC-D03
    Regular price
    $600.00
    Sale price
    $540.00
  • A GMT Dive Watch set for those who loves a classic GMT
    A GMT Dive Watch set for those who loves a classic GMT
    Regular price
    $605.00
    Sale price
    $455.00
  • GMT Expedition Kit | Black-Yellow PVD GMT Sports Dress Watch | Seiko NH34 DWC-D04
    GMT Expedition Kit | Black-Yellow PVD GMT Sports Dress Watch | Seiko NH34 DWC-D04
    Regular price
    $390.00
    Sale price
    $275.00
  • GMT Expedition Kit | GMT Sports Watch with White FKM rubber strap | Seiko NH34 DWC-D04
    GMT Expedition Kit | GMT Sports Watch with White FKM rubber strap  | Seiko NH34 DWC-D04
    Regular price
    $380.00
    Sale price
    $265.00
  • GMT Expedition Kit | GMT Sports Dress Watch | Seiko NH34 DWC-D04
    DIY WATCH CLUB - silver expedition GMT watch
    Regular price
    $380.00
    Sale price
    $265.00
  • GMT Expedition Kit | GMT Sports Dress Watch with Vintage Leather Strap | Seiko NH34 DWC-D04
    Silver expedition with watch red GMT hand
    Regular price
    $400.00
    Sale price
    $280.00
  • [LIMITED] DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    DIY Watchmaking Kit | NH34 GMT ALL BLACK BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03
    Regular price
    $600.00
    Sale price
    $540.00
  • White dial "Batman" GMT Watch Kit | NH34 GMT Dive Watch | White FKM Rubber Band | Ceramic Blue-Black GMT Bezel | DWC-D03
    White dial
    Regular price
    $520.00
    Sale price
    $390.00
  • "Batman" Diver Dress GMT Watch Kit | NH34 GMT Dive Watch | Stainless Stain Bracelet | Ceramic Blue-Black GMT Bezel | DWC-D04
    DIY WATC CLUB - GMT diver with stainless steel bracelet - Batmen bezel
    Regular price
    $520.00
    Sale price
    $390.00