Seiko Prospex Sea

The Seiko Prospex Sea, reference SRP775, is a dive watch with a 45 mm steel case. The case measures 13.4 mm thick, with a water-resistance rating of 200 metres. Self-winding calibre 4R36 contains 24 jewels and has a power reserve of approximately 41 hours. Over the dial is a Hardlex crystal. The dial has a date display and a day display. The watch has a three-fold clasp with push-button release and an extender. The hands and indices carry LumiBrite; the lug width measures 22 mm. The case has a screw-down crown.