Piaget 12P: The Birth Of An Ultra-Thin Legacy - Quill & Pad
2016-7-11u2002·u2002Piaget 12P: The Birth Of An Ultra-Thin Legacy. by Martin Green. When Piaget introduced the manual wind Caliber 9P at the 1957 Basel Fair, it took many other brands by surprise. Some claimed behind the scenes that it was a ruse, that this movement couldn't possibly be real. Only 2 mm in height, it couldn't be done; it was an impossibility.
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