Rare French oignon verge with mock pendulum Circa 1690

Gilt-brass oignon watch by Pia
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A rare French gilt-brass oignon verge watch with mock pendulum, circa 1690. Gilt finished verge movement, chain fusée, engraved balance bridge with aperture revealing the mock pendulum, pierced Egyptian pillars. Gilt engraved dial and white enamel cartouches with Roman numerals. Hinged engraved case, the back with a low relief scene of a Classical couple. Movement signed.
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Diameter: 58 mm
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Signed: Pia Paris