HublotBig Bang Chronograph / Carbon / CeramicREF NUMBER: 341.SB.131.RXHublotBig Bang Chronograph / Carbon / CeramicREF NUMBER: 341.SB.131.RXModelBig BangCase Diameter41 mmDial NumeralNo NumeralsMovementMechanical AutomaticPower Reserve42 hManufacture Year-Dial MaterialBlackDial Movement CaliberHublot HUB4300Case MaterialStainless SteelWater Resistance100 m