Seikomariner | Black

Seikomariner Black brings Submariner-style design to the Watcheray collection, with NH35 automatic movement. Review the specifications below to compare this model with the other available designs.

✅  Case Size: 40mm
✅  Case Thickness: 12mm
✅  Movement: SEIKO NH35 (Automatic)
✅  Crystal: Sapphire crystal with anti-reflective coating
✅  Material: 316L stainless steel
✅  Dial: Classic glossy black Submariner dial with date window
✅  Bezel: Black ceramic bezel insert, unidirectional 120-click
✅  Bracelet: Solid 316L stainless steel Oyster-style bracelet
✅  Lug Width: 20mm
✅  Caseback: Stainless steel screw-down
✅  Water Resistance: 10 ATM (100 m)

Why this model stands out
The Submariner Black Mod delivers the timeless look of the world’s most iconic dive watch—clean, elegant, and highly versatile.With its glossy black dial, ceramic bezel, and reliable SEIKO NH35 movement, this model is built for those who want a dependable everyday tool watch with a premium feel.The date window adds practicality without disrupting the classic design, making it perfect for both daily wear and more formal occasions.

Shipping & Assembly
Each piece is professionally hand-assembled before shipment.
Handling time: 3–5 business days prior to dispatch.

✔️ Premium dive-style mod
✔️ Includes watch box
✔️ Secure worldwide shipping
✔️ 2-year international warranty

Watch guides: What is a Seiko mod? · NH35, NH34 and VK63 explained

Each watch is made to order. Assembly takes 3–5 business days before dispatch; delivery typically takes an additional 7–15 business days.

Tracked worldwide shipping is free. Read the destination details in our shipping policy.

Return conditions and exceptions for custom orders are explained in our returns policy.

Your custom watch includes a 2-year warranty. See the coverage and conditions in our warranty policy.

Need help choosing? Contact Watcheray.