OmegaSeamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black - MeshREF NUMBER: 210.30.42.20.01.010OmegaSeamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black - MeshREF NUMBER: 210.30.42.20.01.010ModelSeamasterCase Diameter42.0 mmDial NumeralStick & DotMovementMechanical AutomaticPower Reserve55 hManufacture Year-Dial MaterialBlackDial Movement CaliberOmega 8860Case MaterialStainless SteelWater Resistance300.0 m