Features:Bio-Based Carbon CaseBio-Based Resin StrapTough SolarMineral CrystalBlack DialAnalog DisplayShock ResistantCarbon Core Guard StructureBluetoothMobile LinkAuto Time AdjustmentEasy Watch SettingApproximately 300 World Time CitiesFlight LogPhone FinderBlack Ion Plated BezelNeobriteDual Time1-Second StopwatchCountdown TimerDaily AlarmLED LightAfterglowFull Auto-CalendarPower SavingBattery Level IndicatorDay And Date DisplayDay Indicator12/24 Hours DisplayLuminous Hands And MarkersScrewed Case BackBuckle Clasp200M Water ResistanceApproximate Case Size (L × W × H): 59 × 54.7 × 15.7 mmApproximate Case Diameter: 54.70 mmApproximate Case Thickness: 15.70 mm