Patek Philippe. A fine and very rare 18K gold automatic wristwatch.
Ref: 3561, Case no. 2672381, Movement no. 1116687, circa 1970
37-jewel Cal. 27-460 movement adjusted to temperature, position and isochronism, Seal of Geneva, gold rotor, shock resistant suspension to Gyromax balance, silvered dial with applied slender baton numerals, subsidiary seconds, gold hands, within a circular case with concave bezel, sapphire crystal and sapphire glazed screw back, case, dial and movement signed, maker's leather strap with signed 18K gold buckle, with display box. 33 mm diam.
- The watch has a single display back with sapphire glass.