Introduction

5205R
- Complications
Self-winding

The patented annual calendar was launched in 1996 and has been a success story for the past 20 years. Indicating the day of the week, the date and the month, and requiring correction only once a year, this ingenious mechanism has emerged as one of Patek Philippe’s flagship models. It offers a choice of different displays and nuances of style, always combining elegant lines, noble materials and lavish attention to finish.


Mechanical self-winding movement. Caliber 324 S QA LU 24H/206. Day, date and month in apertures. Moon phases and 24-hour display. Sweep seconds hand. Dial: opaline white, gold applied hour markers. Strap: alligator with square scales, hand-stitched, matt dark brown. Prong buckle. Case: rose gold. Sapphire-crystal case back. Water resistant to 30 m. Case diameter: 40.2 mm. Height: 11.36 mm.

Price: 42'300 CHF *

*Current price including VAT applicable at our Patek Philippe Salons in Geneva, Switzerland. Authorized retailers may determine the price to their customers.

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Caliber

324 S QA LU 24H/206
Self-winding

Front Back

324 S QA LU 24H/206
Self-winding

Annual Calendar. Moon phases and 24-hour display. Moon phases. Diameter: 32.6 mm. Height: 5.78 mm. Parts: 356. Bridges: 10. Jewels: 34. Power reserve: Min. 35 hours - max. 45 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

Settings

How to set the moonphase indicator?

fullmoon calendar
fullmoon calendar
fullmoon calendar
fullmoon calendar
fullmoon calendar
fullmoon calendar
fullmoon calendar
A disc, decorated with golden stars and two golden moons against a blue or white background representing the sky, rotates within an aperture. The disc is cut from a wafer of corundum crystal (sapphire).

Gold was condensed onto the disc by means of a vacuum process through a photographic mask to create the shape of the moons and stars.  The aperture is cut at its upper edge in order to represent the lunar cycle.

During the first days of each lunation, the leading edge of a golden moon becomes visible as a crescent on the right of the aperture and appears to wax as it emerges beyond the curved edge of the aperture representing the lunar terminator.

Half way through the lunation, the moon appears full. It then wanes as it disappears behind the terminator on the left of the aperture.

As the moon vanishes, the second moon on the disc is ready to appear on the right.

Savoir faire

Attention to details
The making of a dial

Making a dial is less a branch of watchmaking, more a dedicated craft in itself. Since the dial is the part of the watch that speaks to us, it must be not only beautiful and harmonious, but clearly legible. Dial makers and finishers use age-old hand-craftsmanship skills, alongside trade secrets passed down through generations. A dial for Patek Philippe takes four to six months of production process work, and from 50 to 200 operations, including decorative techniques.

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