Minute repeater. Tourbillon. Perpetual calendar with retrograde date hand. Third wheel in gold. Moon phases. Diameter: 28 mm. Thickness: 8.64 mm. Number of parts: 506. Bridges: 13. Jewels: 28. Power reserve: min. 38 hours - max. 48 hours. Balance: Gyromax®. Frequency: 21,600 semi-oscillations/hour (3 Hz). Balance spring: Breguet. Hallmark: Patek Philippe Seal.
