Features:Resin CaseResin StrapResin CrystalDigital DisplayLED LightDaily AlarmHourly Time SignalAuto Calendar1/100 Second Stopwatch12/24 Hour DisplayDay And Date DisplayScrewed Case BackBuckle Clasp30m Water ResistanceApproximate Case Diameter: 35mmApproximate Case Thickness: 9mmApproximate Lug Width: 21mm