Also known as the American Waltham Watch Co and the American Watch Co they produced watches, clocks, speedometers, compasses, and other precision instruments in the United States between 1850 and 1957. From 1958 to 1967 it underwent a series of changes and was sold to Swiss ownership from 1968 to 1980, to the Japanese firm Heiwado & Co in the 1980s and since 2011 the majority stakeholder is an Italian. (Wikipedia: Waltham Watch Co)
