Swiss gold and Belle Epoque enamel brooch watch Circa 1910

Gold watch with Art Nouveau brooch
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A very elegant Swiss, 18K gold, enamel, platinum and rose-cut diamond-set lady’s keyless pendant watch, circa 1910. With an 18K gold and diamond-set Art Nouveau detachable brooch. A polished band, the back overlaid with translucent blue guilloche enamel, with applied rose-cut diamond-set platinum concentric circles, and the bezel with a white line border. White enamel dial with Arabic numerals, outer minute track, and subsidiary seconds. Black Louis hands. A matte gilt movement, 17 jewels, straight-line lever escapement, notched bimetallic compensation balance, blued steel flat balance spring, index regulator.
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Diameter: 29 mm
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Signed: No Name
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Restored soft enamel on the case.