Gold Swiss enamel and diamond set beetle watch Circa 1880

Yellow gold enamel and diamond-set beetle-form pendant watch
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A yellow gold Swiss enamel and diamond set beetle form pendant watch circa 1880, jewelled cylinder movement.
Concealed white enamel dial, Arabic numerals.
Gold beetle form case, diamond-set wings with translucent blue enamel over engine turning, chased head with ruby set eyes, the reverse realistically chased, unsigned.
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Length:  50 mm
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Signed: No Name