Casio LA680WA-1D

100-second stopwatch • Alarm • LED illuminator • Water resistant • Stainless steel band • Popular retro design SPECIFICATIONS Case size (L× W× H)33.5 × 28.6 × 8.6 mm Weight36 g Case and bezel materialResin / Chrome plated BandStainless Steel BandAdjustable Clasp Water resistanceWater Resistant Power supply and battery lifeApprox. battery life: 5 years on CR1616 GlassMineral Glass Compatible band size125 to 180 mm Stopwatch1/100-second stopwatchMeasuring capacity: 59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place times Alarm/hourly time signalDaily alarmHourly time signal LightLED light Light colourLED:Amber CalendarAuto-calendar (auto calendar set at 28 days for February) AccuracyAccuracy: ±30 seconds per month Other features12/24-hour formatRegular timekeeping:Hour, minute, second, pm, date, day