Watchmaking Kit: Sport Watch & Dive Watch

Blue diver DIY watch kit

Classic diver with stainless steel blue bezel

Premium DIY kit with Seiko movement dive watch

The best experience deserves the best tools

Your DIY watch with black fume dial

Quality components for your Fume Dial diver

DIY PVD diver

Build a watch you are proud of

Stealth diver build DIY Dive watch kit

Stealth PVD diver with Seiko NH movement

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  • The most versatile design

    If you want an everyday wear sports watch with the highest modding potential, you are in for a treat. Our Expedition and Dive watches are powered by the tried and true TMI Seiko NH movements, and our dial, bezel, and hands are made to be compatible with Seiko aftermarket modding components.  

    Our Dive and Expedition watches utilize the same chapter rings, hands, and dials. You will be able to create many different new looks with just a few mod components. Here's a quick guide to bezel switching so you'll have an idea how easily you can mod your watch:

    Mod potential：★★★★★

    Challenging Level : ★★★★

36 products
  • [Winter Combo] DIY Kit Bundle | 42mm White Dive GMT with extra bezel inserts & straps | Seiko Automatic GMT movement | DWC-D03
    ¥122,700
    ¥98,000
  • [Modding Combo] DIY Kit Bundle | 40mm Vintage Diver With 2 Extra Straps, Bezels and Bezel inserts | Seiko NH38
    ¥66,200
    ¥56,200
  • NEW ARRIVAL - 40mm Vintage Dive Watch With Stainless Stain Bracelet (Seiko NH35 / NH38 Movement) with tools and video instructions - VD03
    ¥51,200
    ¥51,200
  • 40mm Gun Silver Wave Skeleton Dive Watch Kit with Black Nylon strap (Seiko Silver NH70A) with tools and video instructions
    ¥57,400
    ¥52,100
  • NEW ARRIVAL - 42mm Miyota 9075 GMT dive watch kit | MAXI GMT (Signature) Fumé Lacquer dial
    ¥109,500
    ¥87,400
  • HOT PICK - 40mm Vintage Skeleton Dive Watch Kit (Seiko NH70) with tools and video instructions
    ¥56,500
    ¥56,500
  • 42mm Blue Bronze Dive Watch kit with Vintage Brown Strap | D03 Deep Blue Sandwich Dial with BGW9 SuperLume | Movement: Seiko Automatic
    ¥91,800
    ¥91,800
  • 40mm Vintage Dive Watch Kit (Seiko NH35 / NH38 Mechanical Movement) with tools and video instructions - VD03
    ¥49,500
    ¥49,500
  • [Modding Starter Combo] DIY Kit Bundle | 42mm Dive GMT Coke, Pespi, and Silver steel Bezel | Seiko Automatic GMT movement | DWC-D03
    ¥124,500
    ¥105,800
  • 42mm Black Type A bezel dive watch kit | D05 Maxi Superlume Dial with C3 lume
    ¥70,600
    ¥50,400
  • 42mm ALL BLACK Stealth Build dive watch kit | D03 Sandwich Dial with Black lume
    ¥65,400
    ¥56,200
  • LIMITED - DIY Watchmaking Kit | 42mm NH70A Gold Dive Watch With Gold Sapphire Dial | DWC-D02S
    ¥82,100
    ¥74,200
  • LIMITED - DIY Watchmaking Kit | Expedition Watch With Sapphire Dial | DWC-D02S
    ¥77,700
    ¥70,300
  • 42mm Blue Type A bezel dive watch kit | D05 Maxi Superlume Dial with C3 lume
    ¥70,600
    ¥50,400
  • DIY Watchmaking Kit | PVD Black NH72 Dive Watch With Sapphire Dial | DWC-D02S
    ¥84,800
    ¥76,800
  • 42mm FULL LUME Dive Watch Kit | BGW9 and C3 Full Lume Dial (Sandwich) DWC-D03
    ¥68,900
    ¥55,600
  • Plated 925 Silver 42mm PEPSI GMT Dive Watch kit | Vintage Diver with Patina | Aging experience | Seiko NH34
    ¥80,400
    ¥68,000
  • 42mm White Dial GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    ¥78,600
    ¥67,100
  • DIY Watchmaking Kit | 42mm NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
    ¥82,100
    ¥74,200
  • DIY Watch Kit | 42mm GMT Rose Gold Dive Watch | Seiko GMT movement | DWC-D02
    ¥75,100
    ¥67,100
  • 42mm White Dial
    ¥78,600
    ¥70,600
  • DIY Watchmaking Kit | NH34 42mm GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03
    ¥87,400
    ¥78,600
  • [Editor's Gift Pick] Our skeleton dive watch kit with the sapphire dial
    ¥97,100
    ¥97,100
  • DIY Watchmaking Kit | 42mm NH70 Dive Watch With Sapphire Dial | DWC-D02S
    ¥78,600
    ¥70,500
  • 42mm
    ¥88,300
    ¥88,300
  • DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    ¥70,600
    ¥70,600
  • 42mm
    ¥78,600
    ¥78,600
  • [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    ¥100,700
    ¥100,700
  • 42mm
    ¥88,300
    ¥88,300
  • A GMT Dive Watch set for those who loves a classic GMT - watchmaking kit - coke diver
    ¥94,500
    ¥94,500
  • DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    ¥75,100
    ¥75,100
  • DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    ¥100,700
    ¥100,700