In celebration of Audemars Piguet's 150th anniversary, the maison has released a fresh new QP movement that's set to be a game-changer within the rarefied air of high-end complications: The automatic ...

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 ...