Features:Stainless Steel CaseLeather StrapEco-Drive MovementCaliber: U680Anti-Reflective Sapphire CrystalBlack DialAnalog Digital DisplayRadio-ControlledDual TimeSynchronized to Atomic Time ClockPerpetual CalendarCountdown TimerChronograph FunctionDigital Backlight DisplayUniversal Coordinated Time (UTC) DisplayPower Reserve Up to 6 MonthsPower Reserve Indicator12/24 Hours DisplayLuminous Hands And MarkersDay And Date DisplayRotating BezelPull/Push CrownSolid Case BackBuckle Clasp200M Water ResistanceApproximate Case Diameter: 46.00 mmApproximate Case Thickness: 13.00 mmApproximate Lug Width: 22.00 mm