The perpetual calendar chronograph is deeply rooted in Patek Philippe’s heritage. Dating back to 1941, the lineage consist of five references, the ref. 1518 (1941-1951), the ref. 2499 (1951-1987), the ref. 3970 (1987-2004), the ref. 5020 (1994-2002), the ref. 5970 (2004-2011) and finally the latest iteration, the ref. 5270, each distinct with personality and are cherished landmarks by the firm.

The reference 5270 launched in 2011, marked an important milestone, it was the very first perpetual calendar chronograph with a fully in-house movement, the calibre 29-535. Under Patek Philippe’s persistence on advancement of their timepieces, the model has several iterations since its introduction, and are notable by the following characteristics:

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 is now added, also known as “The Chin”. (The present example)

Third series: The final iteration features the tachymeter scale now stops where it intersects the timekeeping seconds subsidiary dial.

Part of the second series, the present example features a desirable sunburst blue dial that radiates beautifully under the light. Highly sought after by collectors for its elegant proportions and finished with the highest standards notable from the Patek Philippe seal, the present example is offered in an impressive condition is a delightful addition to any collection.