French decorative single handed verge pocket watch Circa 1720

Gilt open faced pocket watch by Martinot à Paris
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A French decorative single handed verge Oignon pocket watch, circa 1720. Fire gilt case with finely engraved and chased ornamental Arabesque décor and large lateral hinge. Fire gilt dial with blue radial Roman numerals on enamel cartouches, finely chased and engraved ornamental Arabesque décor in the centre and central winding arbour with blued filigree single hand. Fine full plate movement, keywind, fire gilt and signed dial, with chain/fusee, Egyptian movement pillars, verge escapement, three arm iron balance and a large engraved and pierced balance bridge decorated with mythological birds.
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Diameter: 58 mm
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Weight: 150 g
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Signed: Martinot à Paris