Zenith Defy Extreme Diver BlueREF NUMBER: 95.9601.3620/51.I301Zenith Defy Extreme Diver BlueREF NUMBER: 95.9601.3620/51.I301ModelDefyCase Diameter42.5 mmDial NumeralStickMovementMechanical AutomaticPower Reserve60 hManufacture Year-Dial MaterialBlueDial Movement CaliberEl Primero 219Case MaterialTitaniumWater Resistance600.0 m