IWCPortofino Automatic Moon Phase 37 “Year of the Snake”REF NUMBER: IW459604IWCPortofino Automatic Moon Phase 37 “Year of the Snake”REF NUMBER: IW459604ModelIW459604Case Diameter37.0 mmDial NumeralNo NumeralsMovementMechanical AutomaticPower Reserve120 hManufacture Year-Dial MaterialBurgundyDial Movement CaliberIWC-Manufactured Calibre 32800 Automatic 32800Case MaterialStainless SteelWater Resistance50.0 m