Casio G-Shock GD-400-1B2

Case size (L× W× H)
55 × 49.7 × 18.5 mm
Weight
78 g
Case and bezel material
Case / bezel material: Resin
Band
Resin Band
Construction
Shock Resistant
Water resistance
200-meter water resistance
Power supply and battery life
Approx. battery life: 3 years on CR2016
Glass
Mineral Glass
World time
Multi Time (4 different cities)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
Stopwatch
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer
Countdown timer
Measuring unit: 1/10 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Alarm/hourly time signal
5 daily alarms or one-time alarms
Hourly time signal
Flash alert feature
Flash alert
Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal
Light
LED backlight (Super Illuminator)
Auto light switch, 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
Accuracy: ±15 seconds per month
Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, month, date, day