French 18 carat gold important pocket watch Circa 1920

Former aristocratic property pocket watch
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An historically important gold and enamel, former aristocratic property, ‘Couteau Ultra Thin’ pocket watch: made by Cartier in Paris, France, circa 1920. The extremely thin numbered enamelled case of this watch was crafted from 18 carat gold and features an aristocratic monogram with a crown on the back. The silvered engine turned dial features an outer minutes track, Arabic hour numerals and Breguet steel hands. The movement is fitted with a precision lever escapement.
The dial is signed.
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Diameter: 46 mm
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Weight: 46 g
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Signed: Cartier, Paris