Ultra thin French 18k gold minute repeating lever Circa 1925

Open faced repeating keyless lever dress watch by Cartier
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An ultra thin French 18 carat gold and enamel open faced minute repeating keyless lever dress watch, circa 1925. Gilt finished jeweled lever movement, bimetallic compensation balance, minute repeating on two hammers on to a gong, repeat activated through a slide in the band. Silvered matte dial with Roman numerals, outer minute track and blued steel moon style hands. Engine turned case, white enamel monogram to the center, engraved bezel, white enamel border to the front and back edges, snap on back. Dial signed, case numbered, case with French hallmarks.
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Diameter: 59.5 mm
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Signed: Cartier