Fine, early French open faced oignon verge watch Circa 1690

Gilt oignon watch by J. Jolly
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A fine and early French gilt open faced oignon verge watch, circa 1690. Gilt-brass verge movement, finely chased, engraved and pierced large balance cock, rack and pinion regulator with calibrated silver disk, pierced Egyptian pillars. Gilt dial with engraved scroll decorated center, blue Roman numerals on white enamel cartouches, inner white enamel ring with blue half hour indication and outer Arabic five minute divisions. Large circular case with finely chased and engraved foliate decoration, the reverse centered by a small engraved portrait of a lady. Movement signed.
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Diameter: 58 mm
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Signed: J. Jolly à Paris