Swiss gold and enamel cylinder pendant watch Circa 1845

Gold watch with the portrait of a young lady 
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A fine Swiss, 18K gold and painted-on enamel lady’s pendant watch, circa 1845.
A polished bezel, reeded band, the back cover with a painted-on enamel scene of a young lady with a looking glass, the border engraved with flowers and foliage and decorated with blue and white champlevé enamel. Hinged gold cuvette. White enamel dial with radial Roman numerals, and outer minute divisions. Steel Breguet hands.
A matte gilt movement, bar calibre, eight jewels, cylinder escapement, three-arm balance, blued steel flat balance spring, and an index regulator. Cuvette signed.
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Diameter: 32 mm
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Signed: Bordier  Genève
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The case has restored soft enamel and the hands are damaged.