Fine, rare Swiss silver open faced lever watch Circa 1890

Silver chased and engraved watch by Patek Philippe
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A fine and very rare Swiss silver open faced manual wind pocket watch, St. George et Le Dragon, circa 1890. Sold in September 1890. Lever movement. Decorative enamel and silver dial with blue Roman numerals. Chased and engraved case. Case and movent signed and numbered. Comes with Extract from the archivies.
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Diameter: 48 mm
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Signed: Patek, Philippe & Co Genève