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Audemars Piguet Expands Royal Oak Double Balance Wheel Openworked Range for 2024

Audemars Piguet Royal Oak Double Balance Wheel Openworked Steel 15407ST.OO.1220ST

The Audemars Piguet Royal Oak Double Balance Wheel Openworked was somewhat revolutionary when it was first released in 2016. It was the first openworked double balance wheel movement in the world, instantly earning it a place as a core member of the Royal Oak collection ever since. Now, AP are introducing three new Royal Oak Double Balance Wheel Openworked references for 2024, exploring new and contrasting materials.

First, and the simplest of the new references, is the 15407BA.OO.1220BA.01 (come on AP, give us nicer reference numbers to work with). It’s a yellow gold edition measuring 41mm in diameter with the classic octagonal shape. That’s paired with an anthracite grey openworked dial showcasing the double balance wheel movement, calibre 3132. It’s effectively a non-diamond bezel version of the existing rainbow bezel edition. Ultimately meaning it’s a little less flash and ostentatious (as far a full gold watch can be) putting the emphasis on the haute horological movement.

Audemars Piguet Royal Oak Double Balance Wheel Openworked Gold 15407BA.OO.1220BA
Audemars Piguet Royal Oak Double Balance Wheel Openworked Steel 15407ST.OO.1220ST

Second up is ref. 15407ST.OO.1220ST.02, which is arguably the most important release out of the three. It’s a 41mm stainless steel edition with an openworked movement presented in rose gold. It’s the first time that the double balance wheel has featured a golden skeleton dial and it looks spectacular. It reminds me of the recent Breguet Classique Double Tourbillon, another golden skeleton. I really like that this precious metal dial is presented in a steel case as it prevents it from becoming too ostentatious and is also the traditional material for the Genta designed integrated bracelet sports watch.

Audemars Piguet Royal Oak Double Balance Wheel Openworked Black Ceramic 15416CE.OO.1225CE

The last of the trio is reference 15416CE.OO.1225CE.02, which has the same rose gold dial as the steel model above. However, instead of steel the case is made from black ceramic giving it a more contemporary aesthetic. It also highlights the fact the visible screws are made from gold, which is also true of the steel model.

Audemars Piguet Royal Oak Double Balance Wheel Openworked Gold 15407BA.OO.1220BA

Zooming out from the specific Royal Oak Double Balance Wheel Openworked references for a moment, they are all stunning piece of haute horology. The calibre 3132 dates back to the original launch in 2016 and has a 45-hour power reserve. The highlight is undoubtedly the titular double balance wheel, which features two hairsprings on the same axis and that oscillate in synchrony in order to improve precision and stability.

Audemars Piguet Royal Oak Double Balance Wheel Openworked Steel 15407ST.OO.1220ST
Audemars Piguet Royal Oak Double Balance Wheel Openworked Gold 15407BA.OO.1220BA
Audemars Piguet Royal Oak Double Balance Wheel Openworked Black Ceramic 15416CE.OO.1225CE

The steel model is priced at CHF 66,500 while the gold and ceramic models are CHF 88,000 (approx. £58,200/£77,000). These are not exactly the most novel of Audemars Piguet releases, especially in a year that has seen timepieces like the [RE]Master02, but they’re solid additions to the range nonetheless. More colour and material choices are always welcome for consumers, even if those consumers are elite collectors.

Price and Specs:

Model: Audemars Piguet Royal Oak Double Balance Wheel Openworked
Ref: 15407ST.OO.1220ST.02 (steel), 15407BA.OO.1220BA.01 (yellow gold), 15416CE.OO.1225CE.02 (black ceramic)
Case: 41mm diameter x 9.9mm thickness, stainless steel, 18k gold or black ceramic
Dial: Openworked with pink gold (steel and black ceramic) or anthracite grey (gold) toned inner bezel
Water resistance: 50m (5 bar)
Movement: Audemars Piguet calibre 3132, automatic, 38 jewels, 245 parts
Frequency: 21,600 vph (4 Hz)
Power reserve: 45h
Strap: Stainless steel, 18k yellow gold or black ceramic bracelet
Price: CHF 66,500 (steel) (approx. £58,200), CHF 88,000 (gold and black ceramic) (approx. £77,000)

More details at Audemars Piguet.

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About the author

Michael Sonsino

As Digital Editor for Oracle Time, Michael needs an eye for detail, which makes it a good thing that his twin joys in life are miniatures and watches. He's a lifelong fan of fine timepieces, especially those of a more historic nature - if it has a twist of Art Deco, all the better. Recent purchase: Seiko Prospex 1959 Alpinist Modern Re-Interpretation. Grail watch: Vacheron Constantin Historiques American 1921.