Audemars Piguet
Circa 1980
25654SA
294'158
C-49561
Quantieme Perpetuel Automatique, Royal Oak
18k yellow gold and stainless steel
Automatic, 2120, 38 jewels
18k yellow gold and stainless steel Audemars Piguet bracelet, 168 mm. maximum length
18k yellow gold and stainless steel Audemars Piguet folding deployant clasp
39 mm. width
Case, dial and movement signed, case further engraved No. 509
For a similar example of a Royal Oak perpetual calendar wristwatch however a different reference, please see Audemars Piguet by Francois Chaille, page 220.
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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