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Seiko Prospex Sea

Seiko Prospex Sea

AutomaticSteel

Ref. SRPB55

Collection: ProspexCase size: 43.8mmMovement: 4R35

The Seiko Prospex Sea, reference SRPB55, is a dive watch with a 43.8 mm steel case. The case measures 13.4 mm thick, with a water-resistance rating of 200 metres. The movement is self-winding calibre 4R35, which contains 23 jewels and has a power reserve of approximately 41 hours. The dial is covered by a Hardlex crystal; the dial has a date display. The dial has LumiBrite on the hands and indices. The case has a screw-down crown. The case has a lug width of 22 mm. A silicone strap is attached to the watch.

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Last updated 9 Oct 2026Suggest a correction

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