A VERY RARE GOLD OPENFACE JUMP HOUR CHRONOGRAPH PATEK PHILIPPE & CO., GENÈVE, NO. 80549 FOR JACQUES & MARCUS, NEW YORK The firm Jacques & Marcus, located at 857 Broadway in New York, became Marcus & Co., when the second Marcus son joined his father and elder brother in the business. Reknowned as jewelers in the Art Nouveau style, Marcus & Co. later maintained another location on the corner of 45th Street and Fifth Avenue. In 1962 Marcus & Co. merged with Black, Starr & Frost. The new firm was subsequently purchased by Kay Jewelers, and then Sterling, Inc. 0 0 0 0 0 } 0 0 BYE CNX FAILURE PLEASE REQ RECONNECTION
The highly jewelled nickel finished movement with snail cam regulator, chronograph work visible on the train and barrel bridges activated by depressing button in stem, the jump hour work under the dial activated by ratchet moved by the pawl part of a lever raised by a snail on the hour pinion, with white enamel dial, subsidiary seconds, arabic numerals, and aperture for silvered hour dial, with l8K gold cuvette and 18K gold engine-turned case with small monogram, c. l896--51 mm. diam.

Details
The highly jewelled nickel finished movement with snail cam regulator, chronograph work visible on the train and barrel bridges activated by depressing button in stem, the jump hour work under the dial activated by ratchet moved by the pawl part of a lever raised by a snail on the hour pinion, with white enamel dial, subsidiary seconds, arabic numerals, and aperture for silvered hour dial, with l8K gold cuvette and 18K gold engine-turned case with small monogram, c. l896--51 mm. diam.