Mr. Georges Frederic Roskopf, a German-born watchmaker established in La Chaux-de-Fonds, Switzerland, created and patented the Roskopf concept in 1867 : A simplified watch enabling each and every one to own the time. 1 billion Roskopf watches were ultimately sold until the 1970s, making it the most successful watch in history. ROSKOPF ® watches are now re-launched with the same philosophy transposed in the 21st century. For you !