Introduction

4947/1A
- Complications
Self-winding

For the first time, Patek Philippe is offering the Annual Calendar in a round Calatrava-type polished steel case with a 38mm diameter that suits all wrists. This watch is equipped with a new integrated and entirely polished bracelet featuring five rows of links. The shimmering reflections of the steel frame an elegant midnight blue dial enhanced by a double vertical and horizontal satin finish. Patek Philippe’s patented Annual Calendar requires only one correction per year.

Watch
Self-winding mechanical movement. Caliber 324 S QA LU. Annual Calendar. Day and month by hands. Date in an aperture. Moon phases. Sweep seconds.
Dial
Blue, vertical and horizontal satin-finish (“shantung” finish), gold applied numerals.
Case
Steel. Sapphire crystal case back. Water-resistant to 30m. Diameter: 38 mm. Height: 11 mm.
Bracelet / Strap
Steel. Fold-over clasp.
Price :

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Other versions

Caliber

324 S QA LU
Self-winding

Patek Philippe Caliber 324 S QA LU - Front
Front Back

324 S QA LU
Self-winding

Annual Calendar. Moon phases. Diameter: 30 mm. Height: 5.32 mm. Parts: 328. Bridges: 10. Jewels: 34. Power reserve: Min. 35 hours - max. 45 hours. Winding rotor: 21K gold central rotor. 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 left 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 right of the aperture.

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

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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