HIGHLIGHTS:Case / bezel material: Resin / Chrome platedAdjustable ClaspStainless Steel BandCut GlassResin GlassNatural diamondsWater ResistantSPECIFICATIONS:1/10-second stopwatchMeasuring capacity: 59'59.9''Measuring mode: Elapsed timeCountdown timerCountdown range: 30 minutesPreset countdown start times: 1, 3, 5, 10, 15, 20, 30 minutesDaily alarmHourly time signalAuto-calendar (set at 28 days for February)Regular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: /-30 seconds per monthBattery: CR1216Size of case : 30.3×24.6×8.8mmTotal weight : 32g