English silver open-faced rack lever pocket watch Circa 1819

Silver rack lever pocket watch
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An English silver open-faced rack lever pocket watch, Hallmarked Chester 1819. Full plate gilt keywind fusee movement with gilt dust cover, Harrison’s maintaining power, plain gilt cock inscribed Patent Lever, diamond endstone, blue steel Bosley regulator, plain three armed steel balance with blue steel spiral hairspring, rack lever escapement, the lever pivots in adjustable slides. White enamel dial with Roman numerals, subsidiary seconds, blued steel seconds hand, and gold hands. Plain case with ribbed middle. Maker’s mark I.W. in an oval.
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Diameter: 54 mm
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Depth: 13 mm
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Signed: No name