Extra thin French platinum lever dress watch Circa 1930

Platinum open faced keyless lever by Breguet
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A very fine and rare French extra thin and elegant platinum keyless dress watch, circa 1930.
Movement, 18 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring.
Silvered dial with Breguet numerals and outer minute track. Blued steel Breguet hands.
Polished case. Dial and movement signed
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Diameter: 42 mm
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Thicknes: 3 mm
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Signed: Breguet
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Sold to Mr Cartland Bishop on March 5, 1930.