Resin GlassWater ResistantCase / bezel material: Resin / Chrome platedStainless Steel BandAdjustable ClaspLED light1/100-second stopwatchMeasuring capacity: 59'59.99'Measuring modes: Net time, split time, 1st-2nd place timesDaily alarmHourly time signalAuto-calendar (28 days for February)12/24-hour formatRegular time keeping: Hour, minute, second, pm, date, dayAccuracy: ?30 seconds per monthApprox.