Casio G-Shock GA-900-1A

Specifications

Case size (L× W× H): 52.8 × 49.5 × 16.9 mm
Weight: 65 g
Case and bezel material: Resin
Band: Resin Band
Construction: Shock Resistant
Water resistance: 200-meter water resistance
Approx. battery life: 7 years on CR2016
Glass: Mineral Glass
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
Stopwatch:
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
Timer:
Countdown timer
Measuring unit: 1/10 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
Alarm/hourly time signal:
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Light:
LED light (Super Illuminator)
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color
LED:White
Calendar:
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Accuracy: ±15 seconds per month
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hands move every 20 seconds))
Digital: Hour, minute, second, pm, month, date, day