BulgariDiagono Magnesium 42 Chronograph / RedREF NUMBER: DG 42 SMC CHBulgariDiagono Magnesium 42 Chronograph / RedREF NUMBER: DG 42 SMC CHModelDiagonoCase Diameter42.0 mmDial NumeralStickMovementMechanical AutomaticPower Reserve42 hManufacture Year-Dial MaterialRedDial Movement CaliberBvlgari B130Case MaterialMagnesiumWater Resistance100.0 m