Patek, Philippe & Co. W GENEWIE, Wynalezli i Zrobili, No. 16161, made for the Polish market in 1859 and sold on June 15, 1860 to Mr. A. Wisniewski for 449 francs.
He continued the development and perfection of crown and stem winding and setting for almost 20 years. By the time he filed his final patent on the matter in 1861, in France (as the only official patent office was in Paris at that time), the first had already expired, and his idea was in current use.
PATEK PHILIPPE VINTAGE CALATRAVA REF. 96 Small Second, Original Indelebile Dial, Arabic numerals, Very good ConditionOut of Stock, Patek Philippe