Swiss gold enamel and diamond set form watch Circa 1800-1820

Gold enamel and diamond set watch
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An English gold enamel and diamond set shield form watch with exposed balance early 19th century. Key wound and set, blue enamel shield form dial with finely engraved gold foliate swags and doves.
White enamel dial with black painted Arabic numerals, blued steel hands, exposed diamond set balance wheel, gold shield form case, diamond set bezel, the reverse engraved with winding and setting instructions, with an associated diamond set fleur de lisform brooch.
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Length: 29 mm
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Signed: No name
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With a fitted box and key.

The total diamond weight is approximately 1.40 cts.