Seiko Prospex Sea

The Seiko Prospex Sea, reference SNE597, is a dive watch with a 41 mm steel case. The case is 11.3 mm thick, with a lug-to-lug measurement of 48.8 mm and a water-resistance rating of 200 metres. Solar-powered calibre V157 contains 2 jewels and operates for approximately 10 months when fully charged. Over the dial is a sapphire crystal; the dial has a date display. The clasp has a three-fold construction with push-button release and an extender. The hands and indices carry LumiBrite; movement accuracy is plus or minus 15 seconds per month. Magnetic resistance is 4,800 A/m; the lug width measures 20 mm. The case has a screw-down crown.