Precision multi-function OS80 power alarm quartz chronograph. Features 1/20th second, 60 minutes & 12-hour accumulated elapsed time. Case in solid brushed 316L stainless steel; screw-locked crown & screw-in back. Engraved case back. Crown shoulder guard. Unidirectional, ratcheted E6B navigational slide rule bezel for calculation of speed, distance and fuel consumption. Tachymeter. Super-LumiNova advanced illumination system on hands & indexes. Alarm indicator. Sapphire scratch-resistant crystal. Calendar date window. Water resistant to 330ft/100m. Diameter 42mm, thickness 11mm, weight 4.8oz. Bracelet in solid 316L stainless steel with deployment buckle and double lock security clasp. Serial numbered. 2 year international warranty. Available with bracelet or genuine leather band.

$ 499