Seiko Prospex Sea

The Seiko Prospex Sea, reference SSC779, is a chronograph with a 43.5 mm steel case. The case carries a water-resistance rating of 200 metres. The movement is solar-powered calibre V175, which operates for approximately 6 months when fully charged. The dial is covered by a Hardlex crystal. The dial has a date display; the hands and indices carry LumiBrite. Movement accuracy is plus or minus 15 seconds per month. The lug width measures 20 mm; elapsed time is measured in increments of 1/5 second. A three-fold clasp with an extender fastens the watch.