Seiko 5 Sports

The Seiko 5 Sports, reference SBSA243, has a 42.5 mm steel case. This is a special edition. The case is 13.4 mm thick, with a lug-to-lug measurement of 46 mm and a water-resistance rating of 100 metres. Self-winding calibre 4R36 contains 24 jewels and has a power reserve of approximately 41 hours. The watch has a curved Hardlex crystal; day and date are displayed on the dial. The clasp has a three-fold construction with push-button release; LumiBrite is applied to the hands and indices. Movement accuracy is plus 45 to minus 35 seconds per day; the watch has magnetic resistance. A display back reveals the movement.