Casio F-91WB-2A1 Digital Rubber Strap Watch

Case size (L× W× H): 38.2 × 35.2 × 8.5 mm
Weight: 21 g
Case and bezel material: Resin
Bio-based resin band
Water Resistant
Battery: CR2016
Glass: Resin Glass
Compatible band size: 145 to 200 mm
1/100-second stopwatch
Measuring capacity: 59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Daily alarm
Hourly time signal
LED light
Light color
LED:Green
Auto-calendar (set at 28 days for February)
Accuracy: ±30 seconds per month
Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, date, day