Swiss 18K gold Ten Dollars Liberty 1893 watch Circa 1975-1980

Gold ten dollar coin watch by Corum
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A Swiss, 18K yellow gold, manual-winding, thin dress watch, set into a Ten Dollars, Liberty, 1893 American coin, circa 1975-1980.
Gold colour dial with radial indexes and original baton hands. Round-shaped 18K yellow gold case, concealed under a hinged 18K yellow gold United States of America ten dollar coin with the head of Lady Liberty dated 1893 and the bald eagle to the reverse. Dial, case and movement signed.
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Diameter: 30 mm
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Signed: Corum La Chaux-de-Fonds
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Corum, Swiss watch company
In 1955, René Bannwart and Simone Ries founded this company in La Chaux-de-Fonds and specialized in extravagant wristwatches with mechanical and quartz movements. Corum only makes high-priced watches but does not manufacture its movements, so it is not a manufacturer. The company sourced its movements from ETA and Frederic Piguet, among others, before the latter was fully integrated into the Blancpain brand and became its exclusive supplier. Parmigiani manufactures the linear movements of the Golden Bridge. Corum is known for unusual design ideas.