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.

16 products
  • [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and Blue steel Bezel | Seiko Automatic GMT movement | DWC-D03
    [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and Blue steel Bezel | Seiko Automatic GMT movement | DWC-D03
    Regular price
    $685.00
    Sale price
    $480.00
  • [WINTER DEAL] GMT Expedition Kit | All White | Seiko NH34 DWC-D03
    [WINTER DEAL] GMT Expedition Kit | All White | Seiko NH34 DWC-D03
    Regular price
    $390.00
    Sale price
    $295.00
  • NEW ARRIVAL - Plated 925 Silver GMT Dive Watch | Vintage Diver with Patina | Aging experience | Seiko NH34
    Plated 925 Silver GMT Dive Watch | Vintage Diver with Patina | Aging experience | Seiko NH34 - DIY WATCH CLUB
    Regular price
    $435.00
    Sale price
    $370.00
  • "Batman" Diver Dress GMT Watch Kit | NH34 GMT Dive Watch | Stainless Stain Bracelet | Ceramic Blue-Black GMT Bezel | DWC-D03
    Regular price
    $500.00
    Sale price
    $450.00
  • "Coke" Diver Dress GMT Watch Kit | Stainless Stain Bracelet | Ceramic Red-Black GMT Bezel | DWC-D03
    Regular price
    $500.00
    Sale price
    $425.00
  • White dial "Coke" Diver Dress GMT Watch Kit | Stainless Stain Bracelet | Ceramic Red-Black GMT Bezel | DWC-D03
    White dial
    Regular price
    $510.00
    Sale price
    $435.00
  • DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
    DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
    Regular price
    $465.00
    Sale price
    $395.00
  • 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
    $465.00
    Sale price
    $395.00
  • A GMT Dive Watch set for those who loves a classic GMT
    A GMT Dive Watch set for those who loves a classic GMT - watchmaking kit - coke diver
    Regular price
    $610.00
    Sale price
    $480.00
  • 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
    $415.00
    Sale price
    $415.00
  • 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
    $465.00
    Sale price
    $465.00
  • "Sprite" Diver Dress GMT Watch Kit | NH34 GMT Dive Watch | Stainless Stain Bracelet | Green-Black GMT Bezel | DWC-D03
    Regular price
    $445.00
    Sale price
    $445.00
  • 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
    $405.00
    Sale price
    $405.00
  • DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    Regular price
    $415.00
    Sale price
    $415.00
  • [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    Regular price
    $570.00
    Sale price
    $570.00
  • [LIMITED] DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    Regular price
    $570.00
    Sale price
    $570.00