BulgariDiagono Magnesium 42 Chronograph / BlueREF NUMBER: DG 24 SMH CHBulgariDiagono Magnesium 42 Chronograph / BlueREF NUMBER: DG 24 SMH CHModelDiagonoCase Diameter42.0 mmDial NumeralStickMovementMechanical AutomaticPower Reserve42 hManufacture Year-Dial MaterialBlueDial Movement CaliberBvlgari B130Case MaterialMagnesiumWater Resistance100.0 m