Freestyle Unisex 10016995 FX Trainer Digital Display Japanese Quartz Black Watch Japanese quartz digital movement, 100 hour chronograph with lap and split times, 100 lap memory counter with dates training log with best lap, average lap and total time, optional vibration alerts, 5 interval timers (24 hours, countdown/stop and countdown repeat), + preset heat timers, customizable alarms, military time, dual time, 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 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: 40mm Water resistant to 330 feet