G - Shock - AW582B4A (Size: men) Shock resistant (G-SHOCK), LED light LED light Auto light switch, afterglow World time-29 time zones (27 cities), city code display, daylight saving on/off, 1/100-second stopwatch-Measuring capacity: 59'59.99", Measuring modes: Elapsed time, split time, 1st-2nd place times,Countdown timer-Measuring unit: 1 second, Countdown range: 60 minutes, Countdown start time setting range: 1 to 60 minutes (1-minute increments), Others: Auto-repeat, time up alarm, progress beeper Daily alarms-5 independent daily alarms (4 one-time alarms and 1 snooze alarm), Hourly time signal, Auto-calendar (to year 2039) 12/24-hour format, Regular timekeeping-Analog: 2 hands (Hour, minute(hand moves every 20 seconds), Digital: Hour, minutes, seconds, pm, month, date, day Accuracy: 15 seconds per month, Approx. battery life: 3 years on CR1220, Size of case / total weight: 55.2 X 47.6 X 14.2 mm / 51 g