Features:Resin CaseResin StrapQuartz MovementCaliber: 5679Resin CrystalBlack DialAnalog Digital DisplayWorld Time1/100 Second StopwatchCountdown TimerDaily AlarmsHourly Time SignalRegular TimekeepingFull Auto CalendarLuminous Hands And Markers12/24 Hours DisplayDay And Date DisplayScrewed Case BackBuckle Clasp100m Water ResistanceApproximate Case Diameter: 52mmApproximate Case Thickness: 17mmApproximate Lug Width: 17mm