Features:Resin CaseResin StrapQuartz MovementMineral CrystalBlack DialDigital DisplayShock Resistant1/100 Second StopwatchCountdown TimerHourly Time SignalMulti Function AlarmFlash AlertLED BacklightAfterglowRegular TimekeepingFull Auto Calendar12/24 Hours DisplayMonth, Day And Date DisplayScrewed Case BackBuckle Clasp200M Water ResistanceApproximate Case Size (L × W × H): 49.6 × 43.2 × 12.9 mmApproximate Case Diameter: 37.00 mmApproximate Case Thickness: 9.60 mm