Seikomariner | Black Steel CLASSIC

Seikomariner – Automatic Dive-Style Watch (NH35)

The Seikomariner is a bold, custom-built automatic dive-style watch designed for maximum presence and everyday reliability. Powered by the genuine Seiko NH35 automatic movement, it delivers proven performance, accuracy, and durability.

With its 44 mm stainless steel case, the Seikomariner offers a strong wrist presence inspired by classic deep-sea dive watches. The case and bracelet are crafted from 316L stainless steel, providing excellent corrosion resistance and long-term durability.

A sapphire crystal protects the dial against scratches and ensures clear legibility in all conditions. This Seiko mod is built for daily wear and combines a rugged design with a clean, timeless aesthetic.

Key Features

• Genuine Seiko NH35 automatic movement
• Automatic with hacking & hand-winding
• 44 mm case size for bold wrist presence
• 316L stainless steel case and bracelet
• Sapphire crystal, scratch-resistant
• Adjustable bracelet for a secure fit
• Free bracelet adjusting tool included

Specifications

• Case diameter: 44 mm (excluding crown)
• Thickness: approx. 13 mm
• Movement: Seiko NH35 Automatic
• Crystal: Sapphire (anti-scratch)
• Bracelet: 316L stainless steel, adjustable (approx. 14.5 cm – 22 cm)
• Water resistance: Tested for everyday water exposure (not suitable for diving)

Components & Materials

• Case: 316L Stainless Steel
• Bracelet: 316L Stainless Steel
• Crystal: Sapphire
• Movement: Seiko NH35 Automatic

Shipping & Quality Control

Each Seikomariner is assembled and thoroughly inspected before shipping.
We offer international free tracked and secured shipping, including taxes and customs duties. No hidden fees on delivery.

A free bracelet adjusting tool is included with every order.