If you buy from a link, we may earn a commission. Learn more If you’re fortunate enough to own any version of Audemars Piguet’s Perpetual Calendar Royal Oak, no one wants to hear you complain about a ...
The perpetual calendar—or quantième perpétuel (“QP”) for the Francophones among us—has been kicking around the horological world for nearly three centuries. Thomas Mudge, an English ...
Calibre 7138's movement relies on a single crown to set every function for the calendar An Audemars Piguet Royal Oak perpetual calendar watch in sand gold with the calibre 7138 ticking away inside.
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