Perpetual Calendar Chronograph Ref 5270 a new complicated wristwatch with a rich 70 year heritage - Interwatches.com News

Tuesday 26 July, 2011 - 09:50 AM EDT

Perpetual Calendar Chronograph Ref. 5270: a new complicated wristwatch with a rich 70-year heritage

Patek Philippe Ref. 5270

While Patek Philippe concentrated on the launch of new chronographs from November 2009 to the end of 2010, the emphasis is now on other complications. But to the delight of many watch lovers, the year of chronographs has not quite ended yet. One example is the new Ref. 5270, which for the first time combines the functionality of a perpetual calendar with the new classic chronograph caliber that is crafted entirely in-house and had its global debut in 2009.

Seventy years ago, in 1941, Patek Philippe added chronographs with perpetual calendars to its range of regularly produced timepieces. Since then, they have ranked among the manufacture’s most popular Grand Complication wristwatches. They unite two degrees of difficulty that require many manual steps, mastered to the required degree of perfection only by the most experienced specialists. This is one of the main reasons why complicated Patek Philippe watches are available only in limited quantities. This will also apply to the new Ref. 5270, which embodies all the features and qualities a connoisseur would expect from a future cult object.

Patek Philippe has enriched its classic chronograph collection with this new perpetual calendar model. The Reference 5270 features the new caliber CH 29-535 PS Q column-wheel chronograph movement. The day and the month are displayed in a double aperture at 12 o’clock and the date is indicated with a hand.


Chronograph and perpetual calendar
Mechanical manually wound movement
Caliber CH 29-535 PS Q
Central chronograph hand and instantaneous 30-minute counter
Day, month, leap year and day/night indication in apertures
Date by hand
Moon phases
Seconds subdial
Silvery-opaline dial, black oxidized gold applied numerals
Strap: alligator with square scales, hand-stitched, matt black
Fold-over clasp
Interchangeable full back and sapphire-crystal case back
Water resistant to 30 m
White Gold
Case diameter: 41 mm


Manual Winding movements

As the name implies, these movements are wound by turning the crown. The tensioned mainspring drives the wheels inside the watch as it gradually relaxes. Whether ultra thin, cut-away “skeleton”, simple or complicated, the manually wound movement is greatly appreciated by aficionados of traditional watchmaking.


Caliber CH 29-535 PS Q
Manual winding
Chronograph and perpetual calendar
Center chronograph hand and instantaneous 30-minute counter
Day, month, leap year and day/night indication in apertures
Date by hand
Moon phases
Seconds subdial
Diameter: 32 mm, Height: 7 mm, 33 jewels
Gyromax balance
4 Hz
Power reserve: 65h max
456 parts




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Source:

[ Patek Philippe Official Website ]

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