Swiss platinum open faced lever minute repeater Circa 1929

Platinum minute repeating lever with additional dial by Patek Philippe
–
A Swiss platinum open faced minute repeating keyless lever watch with additional dial, circa 1929. Nickel finished lever movement, 29 jewels, bimetallic compensation balance, wolf’s tooth winding, minute repeating with two hammers onto two gongs. Platinum cuvette. Silvered dial, applied baton numerals and subsidiary seconds. Snap on case back, repeating slide in the band. Case, dial and movement signed.
–
Diameter: 45 mm
–
Signed: Patek, Philippe & Cie Geneva, Switzerland