Date, sweep seconds. Diameter : 27 mm. Height : 3.3 mm. Parts : 217. Bridges : 6. Jewels : 29. Power reserve : Min. 35 hours - max. 45 hours. Winding rotor : 21K gold central rotor. Balance : Gyromax. Vibrationshour : 28 800 (4 Hz). Balance spring : Spiromax. Hallmark : Patek Philippe Seal.