Swiss gold and enamel lever watch with link chain Circa 1923

Open faced lever with 14k gold and black enamel link chain by Patek Philippe
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A Swiss 18 carat gold and enamel open faced keyless lever watch with corresponding 14 carat gold and black enamel link chain, circa 1923. Jewelled lever movement. Gold cuvette. Silvered dial with applied Arabic numerals and subsidiary seconds. The bezels enhanced with a geometric pattern of blue, black and green opaque enamel, the pendant and bow similarly decorated, hinged case back with enamel monogram. Case, movement and cuvette signed and numbered, dial signed.
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Diameter: 45.5 mm
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Signed: Patek, Philippe & Cie Geneva, Switzerland