Audemars Piguet - The thinnest selfwinding perpetual calendar of its time

The thinnest selfwinding perpetual calendar of its time. Discover the story behind the development of Calibre 2120/2800 in the new article of AP Chronicles (link in bio).In the mid-1970s, the Swiss watch industry was facing the quartz crisis, three young artisans embarked on an ambitious project: reinventing one of Audemars Piguet’s oldest complications, the perpetual calendar. Only found in pocket timepieces, they wanted to incorporate it on contemporary wristwatches. Successful, this calibre equipped more than 7,000 Audemars Piguet watches, available in more than 110 different models.#AudemarsPiguet #RoyalOak #APChronicles1987. Perpetual calendar wristwatch, Model 25548BC.
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