Seiko SUB MOD: Dive Watch Comparison

The Mariner Mod Black

The Mariner Mod Black has a 40 mm stainless-steel case, a Seiko NH35 automatic movement with stop seconds and hand winding, sapphire crystal, a screw-down crown and a 5 ATM rating. It is listed at €259; bracelet and case-back options depend on the selected variant.

For 5 ATM, hand-washing, rain, showers and everyday swimming are fine in principle; diving is not approved. The NH35 movement guide explains the movement’s published data.

How to compare alternatives

Compare diameter, thickness, case shape and bracelet adjustment with a watch you find comfortable. Ask the seller or a watchmaker about maintenance, replacement parts and service for the exact watch. For resale, compare offers for the same reference in a similar condition and period.

Choosing a configuration

A Seiko Sub Mod may fit if you like a dive-style design and want to compare the visible options of the selected variant. The Sub Mod collection shows the current range.