HublotBig Bang Original Black MagicREF NUMBER: 431.CI.1370.RXHublotBig Bang Original Black MagicREF NUMBER: 431.CI.1370.RXModelBig BangCase Diameter43.0 mmDial NumeralNumeralsMovementMechanical AutomaticPower Reserve72 hManufacture Year-Dial MaterialBlackDial Movement CaliberHublot HUB1280 UNICOCase MaterialCeramicWater Resistance100.0 m