Swiss 18 carat gold and diamond set scarab form watch Circa 1890

Scarab shaped watch
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A fine Swiss 18 carat gold and diamond set key wound scarab form watch with concealed dial, circa 1890. Oval gilt finished jewelled movement. White enamel dial with Arabic numerals, outer gold minute dots, surrounded by outermost blue enamel with gilt dots and a swag motif, concealed within a scarab shaped case with a finely engraved, diamond set hinged back and decorated sides, a chased head with ruby set eyes and diamond set curved antennas.
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Overall length: 36 mm
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Signed: No name