Features:Stainless Steel CaseStainless Steel BraceletTough Solar MovementMineral CrystalSilver DialDigital DisplayShock ResistantRadio Controlled WatchMobile Link (Wireless Linking Using Bluetooth)5 World Time39 Time Zones1/100 Second StopwatchCountdown Timer5 Daily AlarmsHourly Time SignalLED BacklightButton Operation Tone On/OffLow Battery AlertPower SavingTime Calibration SignalsRegular TimekeepingFull Auto Calendar12/24 Hours DisplayDay And Date DisplayScrewed Case BackDeployment Clasp200M Water ResistanceApproximate Case Diameter: 43.20 mmApproximate Case Thickness: 13.00 mm