Features:Resin CaseResin StrapQuartz MovementResin CrystalPink DialDigital Display1/100 Second StopwatchDaily AlarmHourly Time SignalRegular TimekeepingAuto CalendarLED Backlight12/24 Hours DisplayDay And Date DisplayScrewed Case BackBuckle Clasp50M Water ResistanceApproximate Case Size (L × W × H): 44.4 × 43.2 × 11 mmApproximate Case Diameter: 43.20 mmApproximate Case Thickness: 11.00 mm