PATEK PHILIPPE 18Kt GOLD POCKET WATCH: Made for Mermod, Jaccard & King Co. St Louis New York, Serial #132681, circa 1906. Yellow gold open face case, with triple hinged case, serial #247986, circa 1925, marked PP.Co 18k, white porcelain dial, black numbers, red second count, gold filigree hands, second sweep above 6 o'clock space.