A100WE-7BDF

LED backlight
1/10-second stopwatch
Measuring capacity: 59'59.9''
Measuring modes: Elapsed time
Daily alarm
Hourly time signal
Auto-calendar (28 days for February)
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±30 seconds per month
Approx. battery life: 3 years on CR1616
Size of case : 40.7×32.7×9.2mm
Total weight : 53g