Swiss platinum and 18k gold Art Deco dress watch Circa 1925

Thin Art Deco keyless lever by Patek Philippe
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A very fine, thin Swiss platinum and 18-carat gold keyless lever Art Deco dress watch, made in the 1920s. Nickel-silver movement, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator, wolf’s tooth winding wheels. Matte silver dial with applied white gold Arabic numerals, outer dot minute track, guilloché subsidiary seconds dial, white gold cathédrale, and spade hands. Solid case, bezel, band, and back engraved with 18-carat gold foliate decorations. Dial, case, and movement signed, case numbered.
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Diameter: 44 mm
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Sigend: Patek, Philippe & Cie Geneva, Switzerland