Patek Philippe. A fine and uncommon Patek Philippe reference 1578 in 18K pink gold with attractive black dial and Extract from the Archives Model: Calatrava Material: pink gold Reference N°: 1578 Year: 1950 Case N°: 660442 Caliber: 12' Movement N°: 966153 Bracelet: leather strap Dimensions: 35 mm Accessories: Extract from the Archives