Patek Philippe · Movement
Patek Philippe caliber R AL 27 PS
Ref. R AL 27 PS
Caliber R AL 27 PS. Self-winding. Minute repeater with two classic gongs. 12-hour alarm. Chiming mode indication in aperture. Small seconds. Diameter: 30 mm. Thickness: 8.23 mm. Number of parts: 561. Winding rotor: Rhodium-plated 22K gold off-center minirotor with yellow gold edges, hand-engraved with Mr. Philippe Stern’s signature. Frequency: 21,600 semi-oscillations/hour (3 Hz). Power reserve: min. 43 hours - max. 48 hours.
- Type
- Handwound
- Display
- Analog
- Power reserve
- 48 h
- Frequency
- 21600 vph
- Jewels
- 47
- Diameter
- 30 mm
- Complications
- Alarm, Hours, Minute Repeater, Minutes, Small Seconds, Tourbillon Escapement
