As the first minute repeater that always strikes local time (a patented mechanism), the Reference 5531 World Time Minute Repeater innovatively unites two of Patek Philippe’s most emblematic complications. This micromechanical masterpiece is also remarkable for its exterior beauty. The rose-gold case is adorned with a hand-guilloched hobnail pattern and a dial center in cloisonné enamel depicting the Lavaux vineyards on the shores of Lake Geneva.
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.
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.