Seiko 5 Sports

The Seiko 5 Sports, reference SRE023K1, has a steel case measuring 32 mm across. The case is 11.4 mm thick, with a lug-to-lug measurement of 38.7 mm and a water-resistance rating of 100 metres. The movement is self-winding calibre 2R06, which has a power reserve of approximately 40 hours. Over the dial is a Hardlex crystal. The movement has an accuracy of minus 35 to plus 45 seconds per day. The case has a lug width of 15 mm. A steel bracelet has a folding clasp with a three-fold construction and push-button release.