Casio Vintage A100WE-1A

Specifications
Case / bezel material: Resin
Adjustable Clasp
Stainless Steel Band
Resin Glass
Water Resistant
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