French 20K gold and enamel verge pocket watch Circa 1780

Gold and enamel open faced verge watch 
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A very fine French 20K gold and enamel open faced verge pocket watch, circa 1780. A Louis XVI case, the spring-loaded bezel released by a concealed pin-catch decorated with a flower pattern highlighted with blue and white translucent enamel, a polychrome enamel scene on the back of cupid shooting his arrow in the garden of love against a translucent pink enamel background surrounded by a blue enamel border decorated with gold flowers and foliage. White enamel dial with black Arabic hours, outer dot minute divisions, Arabic quarter-hour numerals and gold hands. A gilt full plate movement, turned pillars, fusee and chain, verge escapement, three arm brass balance, flat balance spring. Dial and movement signed.
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Diameter: 38 mm
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Signed: Gregson Hor du Roy Paris
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The case is slightly worn and the dial is patinated.
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In classical mythology, Cupid (also Amor) is the god of desire, erotic love, attraction and affection. He is often portrayed as the son of the love goddess Venus and the god of war Mars.