Casio Men's GA-300BA-1ACR G Shock Analog-Digital Display Quartz Black Watch Imported Shock resistant, magnetic resistant, led light (super illuminator), auto light switch, selectable illumination duration, afterglow World time, 1/100-second stopwatch, countdown timer 5 daily alarms (with 1 snooze alarm), Hourly time signal Full auto-calendar (to year 2099), 12/24-hour format, approx. Battery life: 3 years on sr927w x 2 Water resistant to 660 feet (200 M): suitable for recreational scuba diving