Early English silver pair cased verge oignon watch Circa 1700

Silver oignon watch by Michael Bird
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An early English silver pair cased verge oignon pocket watch, circa 1700. Verge movement, tulip pillars. Champlevé dial with Roman hours and Arabic minutes, London town symbol the lion head in the centre, iron hands. The outer case is tortoiseshell with a very rare engraved scene, plain inner case. Dial and movement signed.
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Diameter: 56 mm
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Weight: 145 g
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Signed: Mich. Bird London