OmegaOmega SpeedmasterREF NUMBER: 3511.20OmegaOmega SpeedmasterREF NUMBER: 3511.20ModelSpeedmasterCase Diameter39.0 mmDial NumeralButton IndeksMovementMechanical AutomaticPower Reserve-Manufacture Year-Dial MaterialWhite GlossyDial Movement Caliber-Case MaterialStainless SteelWater Resistance30.0 m