The F91WS-2 blue translucent digital watch is water resistant, has a long life battery and features an LED light that makes it easy to read in darkness.
Case size (L× W× H):38.2 × 35.2 × 8.5 mm
Weight:21 g
Case and bezel material:Resin
Band:Resin Band
Water resistance:Water Resistant
Power supply and battery life:Approx. battery life: 7 years on CR2016
Glass:Resin Glass
Stopwatch:1/100-second stopwatch
Measuring capacity: 59.99\u0027\u0027
Measuring modes: Elapsed time, split time, 1st-2nd place times
Alarm/hourly time signal:Daily alarm,Hourly time signal
Light:LED light
Light color:LED:Green
Calendar:Auto-calendar (set at 28 days for February)
Accuracy:Accuracy: ±30 seconds per month
Other features:12/24-hour format,Regular timekeeping:
Hour, minute, second, pm, date, day