Swiss platinum dress watch with three-tone silver dial Circa 1936

Platinum open faced lever dress watch 
–
A fine Swiss, platinum keyless dress pocket watch with a three-tone dial, circa 1936.
A polished case with a three-tone silver dial with applied white gold baton indexes and Arabic quarter-hour numerals, outer minute track, subsidiary seconds. White gold feuille hands. A rhodium-plated movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance with eight adjustments, blued steel flat balance spring, index regulator. Dial, case and movement signed.
–
Diameter: 43 mm
–
Signed: Patek Philippe & Cie  Genève