PATEK PHILIPPE. AN 18 CARAT GOLD OPENFACE KEYLESS LEVER SPLIT-SECONDS CHRONOGRAPH WATCH

PATEK PHILIPPE. AN 18 CARAT GOLD OPENFACE KEYLESS LEVER SPLIT-SECONDS CHRONOGRAPH WATCH
signed patek philippe, geneva, no. 197812, circa 1920

With nickel-finished lever movement, 28 jewels, bi-metallic compensation balance, 18 carat gold cuvette, the white enamel dial with Arabic numerals, Arabic five minute divisions, two subisidiary dials indicating constant seconds and 30 minute register, blued steel moon- style hands, the plain circular case (No. 412353) with chronograph buttons in the band and crown, case, dial and movement signed.
46 mm. diam.