The Seiko 5 Sports Automatic Field Grey Dial with 24 Jewels 100M SRPG31 SRPG31K1 SRPG31K Men's Watch with a 100-Meter Swimming Depth Grey Dial This trendy new watch is perfect for all your sporting weekend excursions. The completely automatic mechanism contains 24 jewels and a power reserve indicator. The case rear is transparent, and the watch features luminescent hands, markers, a date window, and a day window. The hardlex crystal is placed on the dial to safeguard it. The diameter and thickness of the watch's stainless steel case are 39 mm and 13 mm, respectively. The nylon strap is appropriate for use on any terrain due to its durability.