Features:Stainless Steel CaseLeather StrapMineral CrystalBlack DialSolar PoweredAnalog Digital DisplayChronograph FunctionTachymeter ScaleSmartphone Link FunctionsAutomatic Time AdjustmentAverage Speed IndicatorWorld Time1/1000 Second StopwatchDouble Led LightCountdown TimerAlarmsHourly Time SignalHand Shift FeatureBattery Level IndicatorFull Auto Calendar12/24 Hours DisplayButton Operation Tone On/OffDay And Date DisplayLuminous HandsScrewed Case BackBuckle Clasp100m Water ResistanceApproximate Case Diameter: 48mmApproximate Case Thickness: 14mmApproximate Lug Width: 22mm