GOHUOS Mens Sport Chronograph Military Quartz Canvas Band Calendar Multifunction Waterproof Wrist Watches-Army Green Imported Japanese Quartz Movement with analog display, provide precise and accurate time keeping. Two Workable sub-dials for chronograph 1/10 second and minute;Calendar function with date window. Mineral glass window, helps resist scratches. Army Green Canvas watchband and Alloy Case with Safety Buckle, no any hurt of your clothes or hands. Water resistant 3ATM (NOT suitable for showering,bathing,swimming,snorkelling,water related work and fishing,diving)NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime underwater activities such as diving,ect.