Swiss ETA Corum has a history to be traceable to the late 18th century: in 1793 established a watch factory. Opened in 1855 and specializes in the manufacture of another "Ebauches (semi-finished watch movements)" factory. It was later named ETA. In 1926, brings together the major gaps in the Swiss movement manufacturer's stock company Ebauches SA established. When the SMH in 1983 after the establishment, Ebauches SA changed its name to ETA SA Fabriques dEbauches. Switzerland and around the world now has a staff of more than 9 thousand ETA is the world's largest manufacturer of watches and movements.