Features:Resin CaseResin StrapMineral CrystalDigital DisplayDay And Date DisplayShock ResistantElectro Luminescent BacklightFlash AlertCountdown TimerAlarmHourly Time SignalFull Auto Calendar12/24 Hours DisplayScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 44mmApproximate Case Thickness: 11mmApproximate Lug Width: 16mm