Casio Digital F-91WS-2DF, Blue, Bracelet

Case size (L× W× H) : 38.2 × 35.2 × 8.5 mm Weight : 21 g Case / bezel material: Resin Resin Band Water Resistant Approx. battery life: 7 years on CR2016 Resin Glass 1/100-second stopwatch Measuring capacity: 59’59.99″ Measuring modes: Net time, split time, 1st-2nd place times Daily alarm Hourly time signal LED light LED:Green Auto-calendar (set at 28 days for February) Accuracy: ±30 seconds per month 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day