Casio Standard Digital Black Strap Watch AE1000W-1A3

Case / bezel material: Resin
Resin Band
Resin Glass / Spherical Glass
100-meter water resistance
LED light, Selectable illumination duration, afterglow
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
1/100-second stopwatch, Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
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)
5 daily alarms or one-time alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±30 seconds per month
Approx. battery life: 10 years on CR2025
Size of case : 48.1×43.7×13.7mm
Total weight : 40g