ZenithEl Primero Triple Date Moonphase Chronograph Automatic 20-0230.410REF NUMBER: 20-0230.410ZenithEl Primero Triple Date Moonphase Chronograph Automatic 20-0230.410REF NUMBER: 20-0230.410ModelEl PrimeroCase Diameter40.0 mmDial NumeralRomanMovementMechanical AutomaticPower Reserve50 hManufacture Year-Dial MaterialSilverDial Movement CaliberZenith 410Case MaterialGold PlatedWater Resistance30.0 m