Swiss thin 18k gold dress watch with watch chain Circa 1913

Gold open faced dress watch by Patek Philippe & Cie.
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A Swiss thin gentleman’s dress watch with watch chain and barrel shaped 14 carat gold pencil, circa 1913.
18 carat pink gold polished case with inlaid enamel monogram. Signed gilt dial with Arabic numerals, auxiliary seconds and blued spade hands. Rhodium-plated bridge movement with “fausses côtes” decoration, 8 adj., 18 jewels, gold screw compensation balance and counterpoised lever.
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Diameter: 44 mm
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Weight: 55 g
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Signed: Patek Philippe & Cie, Tiffany & Co.