Swiss gold, enamel and diamond set beetle form watch Circa 1880

Gold cylinder form pendant watch
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A rare Swiss 18 carat gold, enamel and rose cut diamond set keyless pendant watch in the form of a beetle with concealed dial, circa 1880. A polished case, underside realistically chased and engraved with legs and underbody. The wings covers are entirely decorated in red translucent enamel set with round diamonds, eyes with two emeralds, spring loaded wings open from a button in the winding crown to reveal the dial. White enamel dial with radial Arabic numerals and blued steel spade hands. Frosted gilt bar movement, calibre with going barrel, ten jewels, cylinder escapement with plain three arm balance, flat balance spring, index regulator.
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Dimensions: 60 x 21 mm
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Signed: No name