Seiko SNK803

Watch by Seiko

Seiko SNK803

Seiko 5 · SNK803

Case
37 mm
Lug width
18 mm
Updated 11 November 2026
About this watch

The Seiko SNK803 is a 37 mm watch from the Seiko 5 collection. Its stainless steel case has 18 mm lugs. It is water resistant to 30 m. The crystal is hardlex.

Your next watch

Find your next watch, not just a brand.

Every watch on Watcheers has its spec sheet in Watch Explorer. Filter by size, material and budget to find the one that fits.

Last update:

11 November, 2026