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

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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.

19 products
  • [Modding Starter Combo] DIY Kit Bundle | 42mm Dive GMT Coke, Pepsi, and Silver steel Bezel | Seiko Automatic GMT movement | DWC-D02
    ¥117,200
    ¥99,600
  • 42mm Miyota 9075 GMT dive watch kit | MAXI GMT (Signature) Fumé Lacquer dial
    ¥103,100
    ¥82,300
  • DIY Watch Kit | 42mm Blue GMT Dive Watch (white Sandwich Dial) | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    ¥66,500
    ¥56,600
  • [Modding Starter Combo] DIY Kit Bundle | 42mm Dive GMT Coke, Pepsi, and Silver steel Bezel | Seiko Automatic GMT movement | DWC-D03
    ¥117,200
    ¥99,600
  • DIY Watch Kit | All Black GMT Diver | Seiko NH34 Automatic GMT | 24hr Stainless Steel PVD Bezel | DWC-D03 - watchmaking kit
    ¥74,800
    ¥59,900
  • HOT PICK - Plated 925 Silver 42mm GMT Dive Watch | Vintage Diver with Patina | Aging experience | Seiko NH34
    ¥74,000
    ¥63,200
  • Plated 925 Silver 42mm PEPSI GMT Dive Watch kit | Vintage Diver with Patina | Aging experience | Seiko NH34
    ¥75,700
    ¥64,000
  • DIY Watchmaking Kit | NH34 42mm GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03 - watch modding
    ¥82,300
    ¥74,000
  • DIY Watchmaking Kit | 42mm NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
    ¥77,300
    ¥69,900
  • diy watch club - 42mm
    ¥85,600
    ¥85,600
  • 42mm
    ¥85,600
    ¥85,600
  • DIY Watch Kit | 42mm Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    ¥66,500
    ¥66,500
  • 42mm White Dial
    ¥81,500
    ¥74,000
  • DIY Watch Kit | 42mm Black and Rose Gold GMT Dive Watch | Seiko GMT movement | DWC-D02
    ¥70,700
    ¥70,700
  • DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    ¥70,700
    ¥70,700
  • DIY Watch Kit | 42mm GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    ¥70,700
    ¥70,700
  • [LIMITED] DIY Watchmaking Kit | 42mm PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    ¥94,800
    ¥94,800
  • [LIMITED] DIY Watchmaking Kit | 42mm PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03 - all black gmt watchmaking kit
    ¥94,800
    ¥94,800
  • A GMT Dive Watch set for those who loves a classic GMT coke gmt diver
    Sold out
    ¥89,000