Tourbillon Minute Repeater Perpetual Calendar 5307

In Context

At 41 mm it is sized to the current mainstream: 40 mm is the median across every watch measured in this catalogue. The case back is open, so the movement is visible without taking the watch apart, and the sapphire crystal will resist everything short of deliberate abuse.

The movement is hand-wound, so winding it becomes part of the day rather than something the watch does for you. 48 hours of reserve is enough to set it down on Friday evening and find it still running on Monday. At 21,600 vph the seconds hand advances 6 times a second, the slower and more audible rate of an older design.

5307P-001 stands on its own in this catalogue — no other reference here shares its base number. It pairs a black dial with a platinum case. Beyond the time it carries a perpetual calendar, a tourbillon and a minute repeater.

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.

4 other watches in the library run the Patek Philippe R TO 27 PS QI.

Patek Philippe

Tourbillon Minute Repeater Perpetual Calendar 5207

5207P-001 · 41 mm

Patek Philippe

Tourbillon Minute Repeater Perpetual Calendar 5207

5207R-001 · 41 mm

Patek Philippe

Tourbillon Minute Repeater Perpetual Calendar 5207 Platinum / Brown

5207/700P-001 · 41 mm

Patek Philippe

Tourbillon Minute Repeater Perpetual Calendar 5207 White Gold / Blue

5207G-001 · 41 mm