Case material: Yellow gold; Charge: Automatic; Conditions: Excellent Presentation condition : Without documents; Model: Calatrava Price on request Gmtbroker Reference: 3514 Excellent original condition on this vintage 18k yellow gold Patek Philippe mens automatic watch. It features a double signed dial with GOBBI( italian dealers name that even Patek has little information on) at the subdial. Date at 3:00. Comes with its original Patek box and Certificate of Origin(dated 1967).