Swiss gold enamel and diamond set pendant watch Circa 1860

Gold open faced cylinder watch 
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A fine Swiss, 18K gold, enamel and rose-cut diamond-set lady’s pendant watch, circa 1860. A polished bezel, coin-edge band, the back decorated with a rose-cut diamond set bird on a black enamel ground with green guilloche enamel leaves. Hinged gold cuvette. White enamel dial with radial Roman numerals, outer minute track. Gold Breguet hands. A matte gilt movement, bar calibre, eight jewels, cylinder escapement, plain three arm gilt balance, blued steel flat balance spring, index regulator. Cuvette signed.
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Diameter: 33 mm
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Signed: A. Golay-Leresche  Genève