Swiss gold brooch watch in the shape of a ribbon Circa 1890

Gold, diamond, guilloche enamel lady’s pendant watch
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A fine Swiss, 18K yellow gold, diamond-set, guilloche enamel and engraved keyless lady’s pendant watch, circa 1890. With blue enamel and diamond set brooch in the shape of a ribbon with a diamond in the centre. Accompanied by a fitted travelling box.
A solid case, hand-engraved with a floral and leaf motif on the case band, the bezel textured, the case back textured with blue and white guilloche enamel, the centre with black enamel and set with diamonds, a hinged gold cuvette engraved with a dedication.
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White enamel dial with painted blue fancy Arabic numerals in circular indexes, gold dots for the minutes, subsidiary seconds. Gold indented lance hands. A rhodium-plated movement, Geneva striping decoration, 15 jewels, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial and cuvette signed, numbered on the case.
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Thickness: 10 mm
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Diameter: 30 mm
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Signed: A. Golay-Leresche & Fils  Genève
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The case is slightly worn.