Patek Philippe. An elegant Patek Philippe Calatrava model reference 2533 in yellow gold with charming black gilt dial and Extract from the Archives Model: Calatrava Material: yellow gold Reference N°: 2533 Year: 1954 Case N°: 681256 Caliber: 27SC Movement N°: 703906 Bracelet: leather strap Dimensions: 35 mm Signed: case, dial and movement