Seiko Prospex Sea

The Seiko Prospex Sea, reference SNJ025, is a chronograph with a 47.8 mm case. The watch has an alarm. The case is 13.8 mm thick, with a lug-to-lug measurement of 50.5 mm and a water-resistance rating of 200 metres. Solar-powered calibre H851 powers the watch; over the dial is a Hardlex crystal. This watch has a silicone strap; LumiBrite is applied to the hands and indices. Movement accuracy is plus or minus 15 seconds per month. The case has a screw-down crown; the lug width measures 22 mm; elapsed time is measured in increments of 1/100 second. This watch has a unidirectional rotating bezel.