Introduction

5261R
- Aquanaut
Self-winding

The Aquanaut Luce collection for ladies welcomes a new, practical and easy-to-use complication: the patented Annual Calendar: a complete day/date/month calendar requiring only one manual correction per year, at the end of February. The manufacture is thus enriching its offer of complicated ladies' watches with a non-gemset model.

The iconic design of the rose gold case and bezel with a rounded octagonal shape is enhanced by the contrast between polished and satin-brushed finishes. The contemporary “sporty chic" style is reinforced by the blue-gray dial and composite strap with Aquanaut pattern.

Watch
Self-winding mechanical movement. Caliber 26‑330 S QA LU. Annual Calendar. Day and month by hands. Date in an aperture. Moon phases. Sweep seconds.
Dial
Blue-gray, embossed with Aquanaut pattern, gold applied numerals with white luminescent coating.
Case
Rose gold. Sapphire crystal case back. Water-resistant to 30 m. Diameter (10–4 o’clock): 39.9 mm. Height: 10.9 mm.
Strap
Composite material, blue-gray. Patented fold-over clasp.
Price :

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Caliber

26-330 S QA LU
Self-winding

Patek Philippe Caliber 26-330 S QA LU - Front
Front Back

26-330 S QA LU
Self-winding

Annual Calendar. Day and month by hands. Date in an aperture. Moon phases. Sweep seconds. Diameter: 30 mm. Thickness: 5.32 mm. Number of parts: 319. Power reserve: min. 35 hours - max. 45 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Frequency: 28,800 semi-oscillations/hour (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal. Jewels: 34.

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.

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