Features:Bio-Based Resin CaseBio-Based Resin 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 Ã W Ã H): 48.9 Ã 43.8 Ã 13.5 mmApproximate Case Size: 43.80 mmApproximate Case Thickness: 13.50 mm