Casio G-Shock men's multifunction watch. Quartz movement Automatic LED light Antimagnetic World time function Stopwatch function (1/1,000 sec., up to 100 hours, partial time) Timer (1/1 min., up to 24 hours, with automatic repeat function) 5 daily alarms Display of speed Automatic calendar with date, month and day of the week 12/24 hour format Digital/analog display Waterproof up to 20ATM Battery life up to 2 years.