Case material: Yellow gold; Charge: Automatic; Conditions: New Year : 1980; Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: nessuna Calatrava "Gubelin" 3520 - Yellow Gold 18k case on a leather band, cream double signature "Patek Philippe" and "Gübelin", stick gold indexes, 2 central golden "sword shaped" hands, mechanical movement, 175 Patek Philippe caliber.