Audemars Piguet Vintage N/A Platinum – The Keystone Watches
AUDEMARS PIGUET LADY'S PERPETUAL CALENDAR YELLOW GOLD Audemars Piguet, Genève, "Quantième Perpétuel Automatique," No. 156, case No. C 76040. Made in the 1990s. Very fine and rare, lady's, self-winding, 18K yellow gold