18k yellow gold wrist watch by Patek Philippe with original Patek Philippe bracelet, serial number 1134879, circa 1966, reference number 3503. Wonderful 18 jewel Patek Philippe 175 movement, double seal of Geneve for accuracy, adjusted to heat and cold and five positions, isochronism in excellent working condition. 23mm square 18k yellow gold case with original 7 inch mesh 18k band. Clean white metallic dial with bar hour markers. Simplicity with elegance -- an exceptional dress wrist watch.