Features:Resin CaseResin StrapQuartz MovementCaliber: 3523Mineral CrystalGold DialDigital Display1/100-Second StopwatchCountdown TimerMulti-Function AlarmHourly Time SignalFlash AlertLED BacklightFull Auto-Calendar12/24 Hours DisplayMonth, Day And Date DisplayScrewed Case BackBuckle Clasp200m Water ResistanceApproximate Case Diameter: 40.5mmApproximate Case Thickness: 11.9mmApproximate Lug Width : 16mm