Casio G-Shock GA-900AS-1A Analog-Digital Combination

Case / bezel material: Resin
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
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 time
31 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 stopwatch
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times
Others: target time alarm, direct timing start from the timekeeping mode
Countdown timer
Measuring unit: 1/10 second
Countdown range: 60 minutes
Countdown 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 / Total weight
Size of case : 52.8×49.5×16.9mm
Total weight : 65g