Manual winding
R TO 27
The R TO 27 caliber spectacularly combines two of the most advanced watchmaking grand complications: the minute repeater and the tourbillon. It also comes with perpetual calendars or other complications, with one version powering the legendary Sky Moon Tourbillon Ref. 6002.
R TO 27 PS
Features: Minute repeater with chime on two classic gongs. Tourbillon. Small seconds. Diameter: 28 mm. Thickness: 6.58 mm. Number of parts: 356. Number of jewels: 29. Power reserve: min. 40 hours – max. 48 hours. Balance spring: Breguet. Distinctive sign: Patek Philippe Seal.
R TO 27 PS QR
Features: Minute repeater with chime on two classic gongs. Tourbillon. Perpetual calendar with retrograde date hand. Day, month and leap year in apertures. Moon phases. Small seconds. Diameter: 28 mm. Thickness: 8.61 mm. Number of parts: 506. Number of jewels: 28. Power reserve: min. 38 hours – max. 48 hours. Balance spring: Breguet. Distinctive sign: Patek Philippe Seal.
R TO 27 QR SID LU CL
Features: Minute repeater with chime on two "cathedral" gongs. Tourbillon. Perpetual calendar with retrograde date hand. Day, month and leap year in apertures. Moon phases. Hours and minutes of mean solar time. Celestial. Hours and minutes of sidereal time. Sky chart. Ellipse representing the visible part of the sky for a given latitude. Meridian. Time of meridian passage of Sirius and of the Moon. Angular motion of the moon. Diameter: 38 mm. Thickness: 12.61 mm. Number of parts: 705. Number of jewels: 55. Power reserve: min. 38 hours – max. 48 hours. Balance spring: Breguet. Distinctive sign: Patek Philippe Seal.
