Swiss gold open faced keyless cylinder pocket watch Circa 1880

Gold watch with a reeded band 
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A Swiss 18K gold open faced keyless pocket watch, circa 1880. A polished case with a reeded case band, a button for setting and a hinged gold cuvette. White enamel dial with radial Roman numerals, outer minute track and blue steel Breguet hands. A frosted gilt movement with 15 jewels, cylinder escapement, blued steel flat balance spring and an index regulator.
Dial and case signed.
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Diameter: 50 mm
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Signed: A. Golay Leresche  Genève
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Decoration of hairlines on the dial.