Features:Resin CaseResin StrapQuartz MovementResin CrystalBlue DialDigital DisplayBlack Ion Plated BezelDual Time1/100 Second StopwatchCountdown TimerDaily AlarmHourly Time SignalLED BacklightAfterglowRegular TimekeepingFull Auto Calendar12/24 Hours DisplayDay And Date DisplayScrewed Case BackBuckle Clasp100M Water ResistanceApproximate Case Diameter: 47.20 mmApproximate Case Thickness: 12.30 mm