Fine French gold and enamel verge pocket watch Circa 1790

Gold open faced verge pocket watch
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A fine French gold and enamel open faced verge pocket watch, circa 1790. Louis XVI case, the back with a finely painted enamel scene of two maidens in a landscape, gold paillon border, the bezel decorated with a gold repeated laurel and berry pattern. White enamel dial with Arabic numerals, outer minute divisions, Arabic quarter-hour numerals and gold pierced hands. A frosted gilt full plate movement, fusee and chain, verge escapement with micrometric potence adjustment, three-arm brass balance with flat balance spring, continental balance cock with steel endplate, silver regulation dial. Dial and movement signed. 
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Diameter: 53 mm
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Signed: Breguet Paris
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Chipped winding aperture.