English silver keywind verge watch with alarm Circa 1640

Silver verge by Simon Hackett
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A Silver  pair cased alarm verge pocket watch, filigree, movement signed by Simon Hackett Londini fecit, London, circa 1640. Pre balance watch, fire gilt full plate movement, pierced and engraved balance cock.
Silver and gilt dial with Roman numerals and single steel hand. Silver plain inner case and filigree outer case.
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Signed:  Simon Hackett  London
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Simon Hackett London (Cornhill and Royal Exchange) Clockmakers Company 1632 died 1664.