Features:Resin CaseResin StrapQuartz MovementMineral CrystalGrey DialAnalog Digital DisplayShock ResistantWorld TimeCountdown Timer5 Daily AlarmsHourly Time Signal1/100 Second StopwatchFull Auto CalendarLED LightRegular TimekeepingHand Shift FeatureButton Operation Tone On/Off12/24 Hours DisplayRegular TimekeepingMonth, Day And Date DisplayScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 53.4mmApproximate Case Thickness: 18.5mm