Very fine Swiss rose gold open faced lever watch Circa 1898

Rose gold lever watch by Patek Philippe
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A very fine Swiss 18 carat rose gold open faced keyless lever pocket watch, circa 1898. Retailed by Frederick W. Hoffman, succ. to Marsh & Hoffman, Albany, NY. Sold on July 19, 1899. Rhodium plated movement, 17 jewels, wolf’s tooth winding, straight-line lever moustache escapement, cut bimetallic compensation balance adjusted, blued steel Breguet balance spring, François Wilmot’s patented micrometric cam regulator. Gold hinged cuvette with engraved dedication. White enamel dial with black Breguet numerals, outer minute track, red Arabic five minute numerals, subsidiary seconds and original rose gold Louis XV hands. Solid, polished case, engraved monogram to the back. Dial, case and movement signed, case and movement numbered. Accompanied by the Extract from the Archives.
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Diameter: 46 mm
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Signed: Patek, Philippe & Cie Genève