Features:Resin CaseResin StrapQuartz MovementCaliber: 3230Mineral CrystalMulticolor DialDigital DisplayShock Resistant1/100-Second StopwatchCountdown TimerHourly Time SignalMulti-Function AlarmFlash AlertElectro-Luminescent BacklightFull Auto-Calendar12/24 Hours DisplayMonth, Day And Date DisplayScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 50mmApproximate Case Thickness: 18.7mmApproximate Lug Width : 16mm