When the Piaget Aliplano wristwatch was first introduced at Baselworld in 1957, its defining characteristic was its thinness: it was driven by the hand-wound Caliber 9P, which was only 2…

When the Piaget Aliplano wristwatch was first introduced at Baselworld in 1957, its defining characteristic was its thinness: it was driven by the hand-wound Caliber 9P, which was only 2…