CASIO G-SHOCK WATCH GA-300A-1A

Specifications:

Shock Resistant
200 Meter Water Resistant
Magnetic Resistant
Auto LED Light (Super Illuminator) with Afterglow
World Time
31 times zones (48 cities + UTC)， daylight saving on/off， city code display， home city/world time swapping
4 Daily Alarms and 1 Snooze Alarm
Hourly Time Signal
1/100 Second Stopwatch
Measuring capacity: 999:59'59.99"
Measuring modes: Elapsed time， split time， 1st-2nd place times
Countdown Timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Full auto-calendar (pre-programmed until the year 2099)
12/24 Hour Formats
Accuracy: +/- 15 seconds per month
Battery: SR927W x 2
Approx. battery life: 3 years
Module 5259
Size of case/total weight
GA300 55.1 x 52.5 x 16.7mm / 80g