American solid gold quality open faced watch Circa 1910

Heavy gold Waltham Riverside pocket watch
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An American quality lever movement in a solid gold open faced case, circa 1910. Nickelled split three quarter plate 17 jewels keyless movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Lever escapement. Screwed in jewelling in gold settings. Five in gold screwed chatons and one golden wheel in the centre.
White enamel dial signed for A.W.W.CO Waltham, Mass, subsidiary seconds, Roman numerals and blue steel spade hands. Plain 18 carat open faced case, gold cuvette. Three gold lids. Maker’s mark ‘ALD’ in a rectangle.
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Diameter: 50.5 mm
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Weight: 114.5 g
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Signed: A.W.W.CO Waltham, Mass. Riverside
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In excellent condition.
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Reference 0031000