American watch in a gold filled open faced case Circa 1920

Gilt Waltham Riverside
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An American lever in a gold filled open faced case, circa 1920. Nickelled split three quarter plate 19 jewel 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. Signed silvered dial with subsidiary seconds, Arabic numerals and blue steel hands. The movement and pendant hinging from the plain open face case made by the Dennison Watch Case Company guaranteed to wear 20 years.
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Diameter: 48 mm
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Signed: Waltham Mass. Riverside 19 Jewels Adjusted 5 positions