French watch erotic enamel painting and pearls Circa 1790

Verge with erotic enamel painting and pearls on both sides
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A French erotic pocket watch by André Hessen watchmaker of the court, Paris circa 1790.
18 Carat gold, French gold punches, quality Hessen case, pearls on both sides, enamel painting on back, erotic scene, very flat verge movement, pierced and engraved bridge cock, and silver regulator disc. Hessen calibre, white enamel dial with Arabic numerals, blued Breguet steel hands. Winding through the enamel dial.
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Diameter: 50 mm
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Weight: 59 g
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Signed: Hessen Paris
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André Hessen was a very skilled watchmaker 1775-1790 Paris.
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Reference 0015000