PATEK PHILIPPE. AN 18 CARAT GOLD OPENFACE KEYLESS LEVER DRESS WATCH signed patek philippe & cie, geneve, no. 191988, circa 1915

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PATEK PHILIPPE. AN 18 CARAT GOLD OPENFACE KEYLESS LEVER DRESS WATCH signed patek philippe & cie, geneve, no. 191988, circa 1915

With nickel-finished lever movement, 18 jewels, bi-metallic balance, wolf's tooth winding, the gilt-matt dial with applied Arabic numerals, subsidiary seconds, the engraved and monogrammed circular case with polished and brushed back (No. 405831), later added monogrammed plague, case, dial and movement signed.
45 mm. diam.