Audemars Piguet Royal Oak | Perpetual Calendar

It's been 45 years since the creation of the original Audemars Piguet Royal Oak and this now classic piece, is more popular than ever First unveiled by Audemars Piguet in the 1970s and designed by Gerald Genta, who incidentally designed the Patek Philippe Nautilus amongst others, the Royal Oak has become a cultural icon due to its distinctive features and its role as a pioneer for high-end luxury sports watches The first Royal Oak to feature a perpetual calendar complication was released in 1983, as the reference 5554.

In recent years, the Royal Oak Quantième Perpétuel has since been the canvas on which Audemars Piguet have experimented and redefined its perpetual calendars, introducing various unique interpretations At 39mm in diameter, and only 9.3mm thick, this Royal Oak Quantième Perpétuel case is a beautiful twist of perspectives and size 25654ST is housed in a 39mm case - succeeded in 2015 by the latest generation of 41mm perpetual calendars.

The caliber 2120 was an initial project of Jaeger LeCoultre in 1967, funded and contributed by Audemars Piguet, and famous for its adoption by Audemars Piguet, Patek Philippe and Vacheron Constantin. . Source