Seiko Prospex Sea

Seiko Prospex Sea

Seiko Prospex Sea
Dive by Seiko

Seiko Prospex Sea

Case
42 mm
Thickness
13.3 mm
Lug width
20 mm
Crystal
Sapphire
Updated 11 November 2026
About this watch

The Seiko Prospex Sea is a 42 mm watch. Its stainless steel case is 13.3 mm thick and 48.6 mm from lug to lug, with 20 mm lugs. It is water resistant to 300 m. The crystal is sapphire.

It comes in 2 versions.

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Last update:

11 November, 2026