Fine Swiss 18K pink gold keyless pocket watch Circa 1920

Gold open faced watch by Longines
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A swiss 18k pink gold keyless pocket watch with enamel dial, circa 1920. A polished case, plain hinged reverse and bezel, hinged gold cuvette with five Grand Prix Awards dedication. White enamel dial with black Arabic numerals, outer minutes, sunk subsidiary seconds and blued steel feuille hands. A rhodium-plated movement with decoration, 15 jewels, straight-line lever escapement, cut and compensated bimetallic balance, flat-blued steel balance spring, and an index regulator. Case, dial and movement signed.
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Diameter: 50 mm
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Signed: Longines  Swiss
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Some dents on the case, the dial with some hairlines and slightly restored soft enamel.