G-SHOCK Casual Men Watch GA-900AS-1ADR

LED light (Super Illuminator)Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
World time31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, One-touch UTC Time Zone Access
1/100-second stopwatchMeasuring capacity: 23:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesOthers: target time alarm, direct timing start from the timekeeping mode
Countdown timerMeasuring unit: 1/10 secondCountdown range: 60 minutesCountdown start time setting range: 1 to 60 minutes (1-minute increments)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 7 years on CR2016
Size of case : 52.8×49.5×16.9mm
Total weight : 65g