Mô tả
Minute repeater. Tourbillon. Perpetual calendar with retrograde date hand. Celestial. Moon age. Hours and minutes of mean solar time. Day, month, leap year by hands. Reverse side: sidereal time, sky chart, phases and orbit of the moon. Third wheel in gold. Flywheel. Diameter: 38 mm. Thickness: 12.61 mm. Number of parts: 705. Bridges: 24. Jewels: 55. Power reserve: min. 38 hours, max. 48 hours. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Spiral: Breguet. Hallmark: Patek Philippe Seal.
