Diamond set gold and enamel lever pocket watch Circa 1920

Diamond set gold and enamel fob watch
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A small Swiss lever in a diamond set gold and enamel open faced case, circa 1920. Keyless gilt bar movement with going barrel. Plain cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Silvered dial with Arabic numerals and blue steel hands. Small 18 Carat open faced case, clip on back with translucent light blue enamel over a radially engine turned ground. White metal applied decoration to the center and border, both set with small diamonds.
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Diameter: 25 mm
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Signed: No name