Case / bezel material: ResinResin BandResin GlassWater ResistantLight1/100-second stopwatch Measuring capacity: 59'59.99''Daily alarmHourly time signalAuto-calendar (28 days for February)Regular timekeeping: Hour, minutes, seconds, pm, day, dateAccuracy: ±30 seconds per monthApprox. battery life: 7 years on CR2016