American lever watch in a 9K gold open faced case Circa 1917

Gold American lever pocket watch
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An American lever in a gold open face case, hallmarked Birmingham circa 1917. Nickelled split three-quarter plate keyless seventeen jewel movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Signed white enamel dial with subsidiary seconds, Roman numerals, and blue steel hands. Plain 9-carat open-faced English Dennison case with engraved bezels. Maker’s mark ‘ALD’ and ‘Dennison Watch Case Co’.
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Diameter: 49 mm
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Signed: A.W.W. Co. Waltham Mass 17 Jewels