American gold full hunting cased lever watch Circa 1912

Waltham Riverside gold hunter retailed by Mappin
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An American lever in a gold full hunter case retailed by Mappin, hallmarked Birmingham circa 1912. Nickelled split three-quarter plate 19 jewels keyless movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Screwed in jewelling in gold settings. White enamel dial signed for both Waltham and Mappin, subsidiary seconds, Roman numerals and blue steel hands. Plain 18 carat Dennison full hunter case, gold cuvette. Maker’s mark ‘ALD’ in a rectangle. Gilt tooled dark red morocco covered presentation box lined in red velvet and signed for Garrards.
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Diameter: 51 mm
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Signed: Mappin – A.W.W.CO Waltham, Mass. Riverside