Manufacturer: Patek Philippe
Year: 2015
Reference No: 5270R-001
Movement No: 5’891’065
Case No: 6’061’239
Material: 18K pink gold
Calibre: Manual, cal. CH29-535 PS Q, 33 jewels
Bracelet/Strap: Crocodile
Clasp/Buckle: 18K pink gold Patek Philippe deployant clasp
Dimensions: 41mm Diameter
Signed: Case, dial, movement, strap, and clasp signed.
Accessories: Accompanied by Patek Philippe Certificate of Origin dated August 4th, 2015, product literature, leather wallet, additional solid 18K pink gold caseback, setting pin, hang tag, paper envelope, inner fitted presentation box, and outer packaging.
Catalogue Essay
Patek Philippe’s reference 5270 perpetual calendar chronograph was introduced in 2011 at Baselworld as the replacement for the reference 5970 first released in 2004. Both models evolved from a line of highly successful perpetual calendar chronographs, starting with the famed reference 1518 – the world’s first serially produced perpetual calendar chronograph wristwatch in 1941, followed by the iconic 2499 released in 1951, and modernized with the reference 3970 from 1987-2004. The reference 5270 broke ground from its historical past, and was Patek Philippe’s first perpetual calendar chronograph wristwatch with a fully in-house movement.

Four years after its launch, the model was introduced with an 18 karat pink gold case, like the present example, in 2015, following platinum-cased models released the year prior. Fitted within a very wearable 41mm diameter case, its dial has a symmetry reminiscent of vintage models, and modernised with a night and day indication. Applied rose gold hour markers and rose gold feuille hands perfectly match the case.

Since its introduction, the model has seen several iterations, as seen with so many of the brand’s past models. The changes have been observed with the dial over three series:

First series: Hands and hour markers are blackened white gold, offering the highest degree of legibility amongst all three series. The dial features railway minute divisions combined with Arabic five minute divisions, and was produced from 2011-2013.
Second series: In production from 2013 to 2015, a tachymeter scale that follows the contour of the subsidiary seconds counter was now added.
Third series: The tachymeter scale now stops where it intersects the timekeeping seconds subsidiary dial.

The present 5270R is presented in exceptional overall condition with all of its original accessories.
Artist Biography
Patek Philippe
Swiss • 1839
Since its founding in 1839, this famous Geneva-based firm has been surprising its clientele with superbly crafted timepieces fitted with watchmaking's most prestigious complications. Traditional and conservative designs are found across Patek Philippe's watches made throughout their history — the utmost in understated elegance.
Well-known for the Graves Supercomplication — a highly complicated pocket watch that was the world’s most complicated watch for 50 years — this family-owned brand has earned a reputation of excellence around the world. Patek's complicated vintage watches hold the highest number of world records for results achieved at auction compared with any other brand. For collectors, key models include the reference 1518, the world's first serially produced perpetual calendar chronograph, and its successor, the reference 2499. Other famous models include perpetual calendars such as the ref. 1526, ref. 3448 and 3450, chronographs such as the reference 130, 530 and 1463, as well as reference 1436 and 1563 split seconds chronographs. Patek is also well-known for their classically styled, time-only "Calatrava" dress watches, and the "Nautilus," an iconic luxury sports watch first introduced in 1976 as the reference 3700 that is still in production today.
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