
Features a weekly calendar, date, and sweep seconds hand. Measures 27 mm by 4.82 mm with 304 parts and 50 jewels. Includes a 21K gold unidirectional central rotor, 35 to 45 hours of power reserve, Gyromax balance, Spiromax spring, 28,800 vph frequency, and the Patek Philippe Seal. Additional: Power reserve indicator.