Features:Case / Bezel Material: ResinResin BandQuartz MovementResin GlassLED Light1/100-Second StopwatchDaily AlarmHourly Time SignalAuto-Calendar (28 Days For February)12/24-Hour FormatRegular TimekeepingAccuracy: ±30 Seconds Per MonthBuckle ClaspWater ResistantApproximate Size Of Case:â34.5âÃâ30.4âÃâ8.6mm