Swiss jumping and wandering hour lever watch Circa 1930

White gold keyless lever by Breguet
–
A very fine, rare and thin Swiss 18-carat white gold jumping and wandering hour keyless lever dress watch, circa 1930. Cart ebauche, rhodium-plated movement, Geneva striping decoration, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Fixed matte silver ring with painted Arabic numerals for minutes, the time indicated by a revolving central disc with guilloché arrow, digital jump hour visible in an aperture at the arrow’s tip. Plain polished case with an inclined bezel. Dial and movement signed.
–
Diameter: 43.5 mm
–
Signed: Breguet