Features:Resin CaseResin StrapMineral CrystalDigital DisplayShock ResistantTough SolarLED BacklightWorld Time1/100 Second StopwatchCountdown TimerAlarmsHourly Time SignalFull Auto Calendar12/24 Hours DisplayDay And Date DisplayScrewed Case BackBuckle Clasp200M Water ResistanceApproximate Case Diameter: 43mmApproximate Case Thickness: 13mmApproximate Lug Width: 16mm