Seiko Prospex Sea

The Seiko Prospex Sea, reference SRP779, 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. The movement is self-winding calibre 4R36, which 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 silicone strap; the hands and indices carry LumiBrite. The case has a lug width of 22 mm. The case has a screw-down crown.