Hamilton Watch Company was founded in the Pennsylvania, USA, in 1892 after the acquisition of the Keystone Standard Watch Co and Aurora Watch Co. With a strong business acumen it became one of the leading firms in the Country employing designers such as John Bergey and Richard Arbib. In 1969 it was taken over by Buren Watch Company of Switzerland and in then again in 1974 to SSIH, now The Swatch Group. (Official: Hamilton Watch) / (Wikipedia: Hamilton Watch Co)