A gold open faced keyless lever pocket watch, Patek Philippe, No.19135, circa 1890, white enamel dial with Arabic numerals, inner red 24-hour ring, frosted gilt movement with wolf's tooth winding, bi-metallic compensation balance, punch numbered 19135 & PP on the frontplate, gold cuvette signed Patek Philippe & Co., A Geneve, No.19135, case with engraved coat of arms, diameter 45mm.