Swiss 18 carat gold open faced lever pocket watch Circa 1878

Gold keyless wind watch by Patek Philippe
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Early Patek Philippe gentlemen’s watch, Genèva circa 1878. An 18k gold, à goutte open faced, engine-turned, artful monogram SA, case punch Patek Philippe Genèva, matching number on the case and movement, gilt precision movement with moustache lever and wolf’s toothing, very well kept enamel dial, blued steel hands, fine Patek Philippe collector’s watch, in working order.
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Diameter: 49 mm
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Weight: 93 g
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Signed:  Patek Philippe  Genève