Casio G-Shock 5900 Series All-Black DW-5900BB-1

Movement 
Digital
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month (with no signal calibration)


Exterior
Shock Resistant 
Case / Bezel Material: Resin
Band: Resin Band
Crystal: Mineral Glass
Size of case: 51.4×46.8×15.5mm
Total weight: 60g


Other Details
Water-resistant 200m 
Electro-luminescent backlight (EL: Blue)
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
World time
29 time zones (48 cities), daylight saving on/off
1/100-second stopwatch
Measuring capacity: 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)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Full auto-calendar (to the year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 5 years on CR2025