F.E Roskopf, pocket watch, ca 1900. Patent 18632, ca 1900, remontoir movement, with chain.

In 1899, Swiss patent 18632 was granted to Fritz-Edouard Roskopf for a mechanism to set watch hands by the barrel, using the Roskopf system.    From this year on he  produced his own Roskopf watches, signed F.E. Roskopf (& Co).    These watches were manufactured by the Société Horlogère in Reconvillier,   In 1902 renamed Reconvilier Watch Co. SA.    In 1913, the trade mark and registration was transmitted to Buffat & Co.    This Company continued to operate untill the 1970's.

 

 

 

                     

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