Seiko Prospex Sea

The Seiko Prospex Sea, reference SRPD29, is a dive watch with a 42.4 mm steel case. The case is 13.4 mm thick, with a lug-to-lug measurement of 49.4 mm and a water-resistance rating of 200 metres. Self-winding calibre 4R36 contains 24 jewels and has a power reserve of approximately 41 hours. Day and date are displayed on the dial. The clasp has a three-fold construction with push-button release and an extender. The hands and indices carry LumiBrite; a screw-down crown is part of the case. The lug width measures 20 mm. A Hardlex crystal covers the dial.