Fine Swiss platinum open faced dress watch Circa 1930

Platinum keyless dress watch by Cartier
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A fine Swiss platinum open faced keyless lever dress watch, circa 1930. Nickel finished lever movement, 17 jewels, bimetallic compensation balance. Silvered matte dial with Roman numerals, blued steel moon style hands and inner railway minute divisions. Slim case, snap on back. Case stamped with Cartier reference numbers and inside rim signed Cartier, dial signed Cartier, movement signed European Watch and Clock Co. Inc.
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Diameter: 44 mm
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Signed: Cartier – European Watch & Clock Co. Inc.