Patek Philippe · Manual Wind

R TO 27 PS QI

The instantaneous-calendar member of the R TO 27 family — QI for quantième instantané, where the QR variant reads its date on a retrograde hand instead. The calendar switches at midnight in a single step rather than creeping over. Beneath it sit the two grand complications the family is built around: a minute repeater striking on two gongs, and a one-minute tourbillon. Reference 5207 carries it.

Patek Philippe caliber R TO 27 PS QI movement
Winding
Manual Wind
Power Reserve
48 hours
Frequency
21,600 vph (3 Hz)
Jewels
35
Diameter
32 mm

Watches with this movement

5

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