CASIO General W-217H-1AVDF Black Digital Rubber Strap

Case size (L×W×H): 43.1 × 41.2 × 10.5 mm
Weight: 32 g
Case and bezel material: Resin
Watch Strap: Resin Watch Strap
Water resistance: Water resistance 50 meters
Power supply and battery life : Estimated battery life: 7 years on CR2016
Glass: Resin Glass
Stopwatch : 
- Stopwatch 1/100 second, 
- Measuring capacity: 59'59.99'', 
- Measurement modes: Elapsed time, split time, first-second position time
Hourly alarm/time signal: Daily alarm, Hourly time signal
Light:LED backlight
Light color: LED: Amber
Calendar: Automatic calendar (set with 28 days for February)
Accuracy: Accuracy: ±30 seconds per month
Other features: 12/24 hour format
Standard timekeeping: Hours, minutes, seconds, pm, date, day