CASIO General AE-1000W-3AVDF Green Black Digital Rubber Strap

Selectable illumination duration, afterglow
Multi Time (4 different cities)
World time
31 time zones (48 cities + coordinated universal time), daylight saving time on/off, Home city/World time swap
Stopwatch 1/100 second
Measuring capacity: 23:59'59.99''
Measurement modes: Elapsed time, split time, first-second position time
Countdown timer
Unit of measurement: 1/10 second
Countdown interval: 24 hours
Countdown start time setting range: 1 second to 24 hours (1 second increment, 1 minute increment, and 1 hour increment)
5 daily alarms or one time alarm
Hourly time signal
Fully automatic calendar (up to 2099)
12/24 hour format
Operation button sound on/off
Regular punctuality
Digital: Hours, minutes, seconds, pm, month, date, day
Accuracy: ±30 seconds per month
Estimated battery life: 10 years on CR2025
48.1×43.7×13.7mm