Freestyle Mens USA Killer Shark Japanese quartz digital movement, lap counter, alarm, countdown timer/stopwatch, standard digital functions and backlight, polycarbonate case with hyrdro-pushers (able to be pushed under-water), comfortable and durable canvas synthetic strap with solid stainless-steel buckle and canvas keeper Durable hardened mineral crystal protects watch from scratches, water-resistant to 330 feet (100 m), and all with a limited lifetime warranty Japanese-quartz movement Case diameter: 48mm Water resistant to 330 feet