French 18K gold open faced lady’s pendant watch Circa 1850

Gold cylinder pendant watch
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A French 18K gold lady’s pendant watch, circa 1850. A polished bezel, coin-edge band, and the back cover are decorated with foliate engraving and a hinged gold cuvette. White enamel dial with narrow radial Roman numerals, outer minute divisions and gold Breguet hands. A frosted gilt movement, bar calibre, eight jewels, cylinder escapement, three-arm gilt balance, flat balance spring, and an index regulator. Cuvette signed.
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Diameter: 25 mm
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Signed: Charles Oudin  Palais Royal Paris