Patek Philippe. An 18K gold automatic calendar wristwatch, Calatrava, Ref: 3445, Circa 1960
Patek Philippe. An 18K gold automatic calendar wristwatch, Model: Calatrava, Reference: 3445, Date: Circa 1960, Movement: 37-jewel Cal.27-460M automatic, adjusted to heat, cold, isochronism & 5 positions, 18K gold rotor, double stamped with the Seal of Geneva, No.1122110, Dial: Sunburst silvered, applied gilt baton hour markers, silvered dot outer minute divisions, date aperture at 3, gilt pointed baton hands, Case: Brushed and polished round, screw down back, No.31802, Strap/Bracelet: Associated black leather, Buckle/Clasp: Associated gilt buckle, Signed: Case, dial & movement, Size: 35mm
