OmegaSpeedmaster Moonwatch Co-Axial Dark Side of the MoonREF NUMBER: 311.92.44.51.01.003OmegaSpeedmaster Moonwatch Co-Axial Dark Side of the MoonREF NUMBER: 311.92.44.51.01.003ModelSpeedmaster (Non-Moonwatch)Case Diameter44.25 mmDial NumeralStick / DotMovementMechanical AutomaticPower Reserve60 hManufacture Year2013Dial MaterialBlack GlossDial Movement CaliberOmega 9300Case MaterialCeramicWater Resistance50.00 m