Manufacturer: Audemars Piguet
Year: 2022
Reference No: 15407ST.OO.1220ST.01
Movement No: BE 8571
Case No: R’C05’35M
Model Name: Royal Oak Double Balance Wheel Openworked
Material: Stainless steel
Calibre: Automatic, cal. 3132, 38 jewels
Bracelet/Strap: Stainless steel Audemars Piguet bracelet, numbered 1220, max overall length 190mm
Clasp/Buckle: Stainless steel Audemars Piguet deployant clasp
Dimensions: 41mm Diameter
Signed: Case, dial, movement, bracelet, and clasp signed.
Accessories: Acccompanied by Audemars Piguet guarantee card, fitted presentation box, and outer box.
Catalogue Essay
While Audemars Piguet has produced some of the finest skeletonized watches over the decades, a skeletonized Royal Oak always impresses. While it is well known that the balance wheel of a timepiece is its beating heart controlling accuracy, a common horological issue occurs when a watch with a single balance and hairspring is tilted vertically, with gravity pulling the hairspring off-center, hence affecting its accuracy. Taking a leap ahead, this issue was resolved with the ref. 15407, featuring two superimposed balance wheels, each equipped with its own hairspring.

While its technical attributes are certainly impressive, the look and feel of the timepiece does not lack for excitement. Fitted inside a contemporary 41mm diameter stainless steel Royal Oak case, the skeletonized caliber 3132 is decorated to please with all bridges ruthenium coated giving the entire movement a gunmetal sheen, with the exception of its balance bridge. While the majority of the movement is diamond-cut to perfection, the solid pink gold balance bridge is hand-finished with traditional Swiss watchmaking techniques.

The present reference 15407ST is not one to miss. Offered by its original owner, the present specimen is offered in brand new overall condition with no signs of use and wear, complete with its full set of accessories.

All proceeds exceeding the cost for the consignor will be donated to charities supporting access to medical care for families in need and orphanages.
Artist Biography
Audemars Piguet
Swiss • 1881
A specialist in the manufacture of complications since it was established in 1881, Audemars Piguet never ceases to impress with a rich history of creating bold, even audacious, timepieces underpinned by traditional watchmaking at its finest. This Le Brassus-based Swiss manufacturer is one of only two major manufacturers still owned by the founding family. Since its earliest days, AP is considered a leader in the field of minute repeaters and grande complication pocket and wristwatches. The brand is devoted to preserving the history of watchmaking in the Vallée de Joux, showcased at their superb museum in Le Brassus.
Today, the brand is best known for its Royal Oak models, a revolutionary luxury sports watch launched in 1972. Other key models include early minute repeating wristwatches, vintage chronograph wristwatches, such as the oversized reference 5020, perpetual calendar watches and the Royal Oak Offshore, first introduced in 1993.
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