Swiss 18 carat gold open faced lever pocket watch Circa 1915

Gold keyless watch
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A Swiss 18 carat gold open faced keyless pocket watch made by Patek Philippe in Geneva, circa 1915. Retailed by the Frank Herschede Co. in Cincinnati, Ohio, U.S.A. The Swiss lever movement with 18 jewels, eight adjustments, a cut and compensated bimetallic balance and wolf’s tooth winding. Champagne coloured guilloché dial with Roman hour numerals, an outer minute track, subsidiary seconds at 6 o’clock and blued steel hands. A polished case. Dial signed, case and movement signed and numbered, the movement additionally signed by the retailer. Comes with the fitted presentation box.