43h / 48h power reserve21,600 vph (6 Hz)
The R-AL 27 PS is a self-winding movement manufactured by Patek Philippe. It features a minute repeater with two classic gongs and a 12-hour alarm complication with a chiming mode indicator. The movement measures 30mm in diameter and 8.23mm in thickness, operates at 21,600 vph, and provides a 43 to 48-hour power reserve from 561 parts. It includes a 22K gold micro-rotor and is an in-house caliber. Notable watches using this movement include the Patek Philippe Grandmaster Chime.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
43h / 48h
Frequency
21,600 vph (6 Hz)
Diameter
30mm
Height
8.23mm
Display Type
Analog
Rotor Type
Micro Rotor
Winding
Automatic (Bidirectional)
COMPLICATIONS
Minute RepeaterAlarm
FEATURES
Hand Winding
