English silver verge watch of noble property Circa 1720

Silver rare glazed pocket watch 
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A rare glazed verge pocket watch of noble property, circa 1720. Silver case, tiered, smooth, glazed on both sides, large lateral hinge. Dial is silver, Champlevé style, radial Roman hours, “Fleur de Lys” hands. Full plate movement, keywind, frosted, gilt, chain/fusee, blued screws, ornamented Ionic movement pillars, large balance bridge with an opaque polychrome enamelled plaque depicting a noble family crest, large steel balance, silver regulator disc with blued steel bridge.
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Diameter: 52 mm
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Weight: 136 g
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Signed: Angot Junior London