Swiss 18k gold and enamel watch with long chain Circa 1810

Gold verge watch with monogram
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A fine swiss, 18K gold, enamel, pearl and rose-cut diamond-set pendant watch, circa 1810. Accompanied by gold and royal blue enamel long chain. The bezel is set with split pearls, the back overlaid with translucent Royal blue guilloche enamel, a gold monogram set with rose-cut diamonds, pearl-set border. White enamel dial with radial Roman numerals, outer minute track. Blued steel Breguet hands. A matte gilt movement, fuse and chain, verge escapement, three-arm balance, flat balance spring, continental cock with polished steel endplate, silvered regulation dial.
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Diameter: 31 mm
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Signed: No Name
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The case is slightly scratched and missing some pearls/stones.
The dial has restored soft enamel.