Audemars Piguet Royal Oak Quantieme Annuel 25920BA

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What’s not to love about this Royal Oak? Iconic design, classic size, and the only watch ever made by Audemars Piguet with an annual calendar complication.

Of course, the iconic Royal Oak design by Gerald Genta needs no further introduction. For the smaller-wristed watch lovers among us, the classic Jumbo Royal Oak is just a tad too big. Fortunately, the slightly smaller versions, like this 36 mm beauty, offer them the full Royal Oak experience as well. Don’t be fooled by its dimensions though, the watch wears a bit larger due to the iconic angular design of the case and the integrated bracelet.

The 25920 is a special reference as it is the only watch ever made by Audemars Piguet with an annual calendar complication. This highly useful complication was introduced in 1996 by Patek Philippe and can distinguish between the months that are 30 and 31 days in length. As a result, it only requires manual adjustment once a year on March 1st.

The iconic Gerald Genta-designed angular case, octagonal bezel, and integrated bezel on this 25920BA are executed in resplendent 18k yellow gold. The blue dial with Audemars Piguet’s iconic Grande Tappissierie pattern features as the backdrop for the creative execution of the annual calendar complication. The date of the month on the concentric outer ring can be read with the bright red arrow-tipped hand, while the months are displayed on a charmingly off-centered roulette-style sub-register at the bottom half of the dial. Finally, the incorporation of a white hand set together with bright white short hour markers infuses the dial with a sporty sensibility.

This 25920BA dates back to 2000 and has just returned from a full service at our trusted Audemars Piguet service center, ensuring that it is in like-new-condition. The watch comes with the corresponding service papers as well as an extract from the Audemars Piguet archives.


In 1970, Audemars Piguet instructed Genta to come up with an unprecedented steel watch. As the story goes, he found inspiration whilst seeing a diver at work with an old-fashioned diver’s helmet near Lake Geneva. Staying up all night, Genta drew the design for a circular case with an angular, octagonal bezel, eight visible screws, and an integrated bracelet. The Royal Oak was presented in 1972 as the most expensive steel watch available and it caused an uproar: why was a distinguished maison d’horlogerie putting out a sports watch, let alone in such pedestrian material? Some experts even predicted that the Royal Oak would put Audemars Piguet out of business. Though it took a while to catch on, the Royal Oak is now one of the most iconic and long-lasting watch designs and has spawned an entire product line. It wouldn’t be the first time that Genta would prove a brand’s owners, customers, and industry experts wrong.



Packages are generally dispatched within 2 days after receipt of payment and are shipped within the Netherlands by Registered Mail through the Dutch carrier PostNL and for other countries by Fedex. Consult us if you prefer another method of shipping. For most destinations tracking is available.