- Grand Complications

The first minute repeater that always strikes local time everywhere. The new Ref. 5531, launched as a limited-edition global debut at the “The Art of Watches Grand Exhibition New York 2017”, has now become part of the current Patek Philippe collection. For the first time, it combines two complications for which the Genevan manufacture calls the tune: the minute repeater and the World Time display. But while merging these two functions, Patek Philippe also introduced a trailblazing innovation. Unlike other watches of this kind that always strike home time even when the owner is located in another part of the world, the Ref. 5531 always sounds local time, the time in the zone represented by the city name at 12 o’clock on the dial and the time indicated by the minute and hour hands from the center. To engineer this global debut, Patek Philippe developed the new caliber R 27 HU movement with a totally recessed minirotor in 22K gold and further unprecedented design features. As another exception, the two gongs of the minute repeater are attached to the caseband rather than to the main plate.

Mechanical self-winding movement. Caliber R 27 HU. Case and slide piece with hand-guilloched hobnail-patterned decoration. Skeletonized lugs. Dial: Cloisonné enamel center, Lavaux landscape. 18K gold dial plate and 24-hour ring. Alligator strap with square scales, hand-stitched, shiny chocolate brown, fold-over clasp. Rose gold. Interchangeable full back and sapphire-crystal case back. Humidity and dust protected only (not water resistant). Diameter: 40.2 mm. Height: 11.49 mm.


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R 27 HU

Patek Philippe Caliber R 27 HU - Front
Front Back

R 27 HU

Minute repeater with classic gongs. Local time strike. World Time. 24-hour and day/night indication for the 24 time zones. Diameter: 32 mm. Height: 8.5 mm. Number of parts: 462. Jewels: 45. Power reserve: Min. 43 hours – max. 48 hours. 22K gold minirotor, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

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