Swiss 18K gold lady’s pendant watch from Geneva Circa 1885

Open faced pocket watch by Patek Philippe & Co.
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A fine lady’s Geneva gold pendant watch, circa 1885.
18 carat gold case with hand-engraved Renaissance decoration and signed gold dome. Enamel dial with radial Roman numerals and blued spade hands. Gilt bridge movement with wolfteeth winding wheels, screw compensation balance, blued balance spring, and counterpoised “Moustache” lever.
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Diameter: 32 mm
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Weight: 34 g
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Signed: Patek Philippe & Co. à Genève