Piaget 12P: The Birth Of An Ultra-Thin Legacy – Reprise
When Piaget introduced the manual wind Caliber 9P at the 1957 Basel Fair, at only 2 mm in height, it was considered an impossibility. Three years later, in 1960, Piaget stunned the watch world once again with Caliber 12P, an automatic movement that broke world records for its svelteness. What does that have to do with a vintage watch Martin Green saw? Find out here.