Seiko SSC717

The Seiko reference SSC717 is a chronograph with a 43.2 mm steel case. The case measures 12.2 mm thick, with a water-resistance rating of 100 metres. The movement is solar-powered calibre V176, which operates for approximately 6 months when fully charged. Over the dial is a Hardlex crystal; the dial has a date display. The watch has a three-fold clasp with push-button release. Movement accuracy is plus or minus 15 seconds per month. The case has a hard coating; the lug width measures 22 mm. LumiBrite is applied to the hands and indices.