Seiko 5 Sports Field series

The Seiko 5 Sports Field series, reference SRPG42, has a 39.4 mm steel case. The case is 13.2 mm thick, with a lug-to-lug measurement of 48.1 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. Over the dial is a curved Hardlex crystal; the dial has a date display and a day display. LumiBrite is applied to the hands and indices. A see-through case back provides a view of the movement. Magnetic resistance is 4,800 A/m; the lug width measures 20 mm. A leather strap is attached to the watch.