Introduction

5236P
- Grand Complications
Self-winding

Patek Philippe is adding a brand-new perpetual calendar with an original in-line display to its rich range of calendar watches. The day, date and month appear in a large single aperture at 12 o'clock. So as to combine originality, legibility and reliability, the watch design engineers have developed the new self-winding movement 31-260 PS QL with an additional in-line display module, for which three patent applications have been filed. This highly sophisticated new caliber is housed in an elegant platinum case framing a vertical satin-finished blue dial with a black-gradient rim.

Watch
Self-winding mechanical movement. Caliber 31‑260 PS QL. In-line perpetual calendar. Day, date, month, leap year and day/night indication in apertures. Small seconds.
Dial
Blue, black-gradient, vertical satin finish, gold applied hour markers.
Case
Platinum. Interchangeable solid and sapphire crystal case backs. Water-resistant to 30m. Diameter: 41.3mm. Height: 11.07mm.
Bracelet / Strap
Alligator leather with square scales, hand-stitched, shiny navy blue. Fold-over clasp.
Price :

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Caliber

31-260 PS QL
Self-winding

Patek Philippe Caliber 31-260 PS QL - Front
Front Back

31-260 PS QL
Self-winding

In-line perpetual calendar. Day, date, month, leap year and day/night indication in apertures. Small seconds. Moon phases. Diameter: 34mm. Height: 5.8mm. Number of parts: 503. Power reserve: min. 38 hours - max. 48 hours. Winding rotor: off-center platinum minirotor. Frequency: 28,800 semi-oscillations/hour (4 Hz). 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.

How to set the leap year indicator

The leap year indicator informs you about the year cycle: leap year or non leap year. Leap years are identified with the Roman numeral IV or the Arabic numeral 4.
Please select a year and press "Calculate" to find the year cycle.
2017
Year I
2018
Year II
2019
Year III
2020
Year IV
2021
Year I
2022
Year II
2023
Year III
2024
Year IV
2025
Year I
2026
Year II
2027
Year III
2028
Year IV

Savoir faire

Attention to details
Movement components

The detailed manual work carried out on the internal components of a watch is where hand-finishing reaches a rare pinnacle. The Patek Philippe Seal requires that movements, as with the rest of the watch, are made using advanced technologies, artisanal know-how, authenticity, and exemplary finishing.

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