Casio F91w 3 F91 Black Digital Watch

A total classic for a reason! Basic Information 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 Exterior Glass Resin Glass Watch Features Stopwatch 1/100-second stopwatchMeasuring capacity: 59'59.99''Measuring modes: Net time, split time, 1st-2nd place times Alarm/hourly time signal Daily AlarmHourly time signal Light LED light 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, month, date, day