Rare silver oval puritan pre hairspring verge watch Circa 1635

Rare silver oval puritan verge watch
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A silver English verge pocket watch with fire gilt full plate pre hairspring movement, circa 1635,  pierced and engraved balance cock, flat steel balance, gut line fusee, square baluster pillars, worm wheel set-up.
Silver dial with applied hour knobs for time reading by night, black Roman numerals, blued steel floriate hour hand, plain silver case with a shuttered winding aperture to the back. Wound through the back.
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Diameter: 45 x 36 mm
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Weight: 65.5 g
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Signed: Francis Torado in Grey’s in (London)
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Francis Torado (1). London Clockmakers Company 1633 died in 1683. Francis Torado (II). London 1662, son of Francis Torado (I), q.v., with whom he worked, but was murdered in 1683.
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Reference 080000