Fine French gold open faced lever pocket watch Circa 1930

Gold watch with gilt dial by Cartier
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A fine and very rare “A Secret” Swiss yellow gold open faced pocket watch with silver dial and a concealed compartment on the case back, circa 1930. An 18 carat gold, French gold punch, lever movement, original gilt dial, signed Cartier Paris, original blued steel Breguet hands, very good condition. Dial and movement signed.
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Diameter: 45 mm
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Signed: Cartier Paris
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Gold Chain.