Patek Philippe. An 18K gold manual wind wristwatch Retailed by Gübelin Model: Calatrava Reference: 2592 Date: Circa 1970 Movement: 18-jewel manual wind, adjusted to heat, cold, isochronism & 5 positions, Seal of Geneva, No.788832 Dial: Sunburst pale champagne, black baton hour markers, gilt pointed baton hands Case: Brushed and polished round, snap on back, t-bar lugs, No.2621798 Strap/Bracelet: Brown leather Buckle/Clasp: Associated gilt buckle Signed: Case, dial & movement Size: 33mm