Swiss lever watch with concealed enamel nude Circa 1920

Gold Swiss lever with concealed enamel nude
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A Swiss lever in an open face case containing a polychrome enamel nude, circa 1920. Keyless nickelled bar 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. Signed white enamel dial with subsidiary seconds, Arabic numerals and blue steel hands. Engine turned 18 carat open face case. Maker’s mark ‘Juvenia’ in a rectangle. The gold cuvette set with a polychrome enamel plaque of a nude standing in the sea.
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Diameter: 47 mm
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Signed: Juvenia Casa Michel