Introduction

5726A
- Nautilus
Self-winding

With the rounded octagonal shape of its bezel, the ingenious porthole construction of its case, and its horizontally embossed dial, the Nautilus has epitomized the elegant sports watch since 1976. Forty years later, it comprises a splendid collection of models for men and women. In steel, rose gold, white gold or two-tone combinations they accompany the most active lifestyles with incomparable class

Watch
Self-winding mechanical movement. Caliber 324 S QA LU 24H/303. Day, date, month in apertures. Moon phases and 24-hour display. Sweep seconds hand.
Dial
Black, gold applied hour markers with luminescent coating.
Case
Steel. Screw-down crown. Sapphire crystal case back. Water-resistant to 120 m. Case diameter (10-4 o'clock): 40.5 mm. Height: 11.3 mm.
Strap
Alligator strap with rectangular scales, hand-stitched, matt black. Nautilus fold-over clasp.
Price :

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Other versions

Caliber

324 S QA LU 24H/303
Self-winding

Patek Philippe Caliber 324 S QA LU 24H/303 - Front
Front Back

324 S QA LU 24H/303
Self-winding

Annual Calendar. 24-hour indication. Moon phases. Diameter: 33.3 mm. Thickness: 5.78 mm. Number of parts: 347. 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
What is hand-finishing?

A wide array of fine decorations and subtle enhancements, which enrich the functionality and aesthetics of our pieces, as well as ensuring beauty and precision of a Patek Philippe watch for years to come.

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