PP R TO 27

Calibre R TO 27 is an manual winding watch movement from Patek Philippe.

This is Patek Philippe's high-class minute repeater movement. It includes a tourbillon and in three variants a perpetual calendar and is one of Patek's most complicated calibres.

Variants

Calibre	Dimensions (mm)	Jewels	Parts	Usage	Features
R TO 27 PS/252	Ø 31.6, H 8.35	28	356	Minute Repeater Tourbillon 5303	Minute repeater, tourbillon. Gyromax® balance, Breguet hairspring
R TO 27 PS QI	Ø 32, H 9.33	37	557	Minute Repeater Tourbillon Perpetual Calendar 5207	Minute repeater, tourbillon, instantaneous perpetual calendar with day/night indication, small seconds, moon phase, day/night display. Gyromax® balance, Breguet hairspring
R TO 27 PS QR	Ø 28, H 8.61	28	557	Minute Repeater Tourbillon Perpetual Calendar 5316	Minute repeater, tourbillon, instantaneous perpetual calendar with retrograde date hand, small seconds. Gyromax® balance, Breguet hairspring
R TO 27 QR SID LU CL	Ø 38, H 12.61	28	705	Sky Moon Tourbillon 6002	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. Gyromax® balance, Breguet hairspring

Description:

Functions:

Hours, minutes
Local time strike
Perpetual calendar

Data:

21,600 A/h
Power reserve 38-48 hours

Production period:

?-current