Attractive English Niello silver pocket watch Circa 1687-1710

Fine decorative silver watch with alarm by John Bushman
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An extraordinary English pocket watch in a Niello-silver case with alarm, circa 1687-1710.
Gilt full plate verge movement. Lavishly florally decorated Niello silver case. Silver champlevé dial, Roman hours and Arabic minutes, an indicator for the alarm, and blued steel hands. Signed on movement: John Bushman-London; Signed in scrolled cartouches on the dial, in script: Bushman/ London.
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Diameter: 51 mm
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Signed: John Bushman London