Organized in April 1864 during the Civil War, the Tremont Watch Company represents an early building block in what would become the massive watch industry in America. A.O. Bigelow and.
In 1864, Aaron L Dennison and A.O. Bigelow organized the Tremont Watch Company in Boston, Massachusetts. The objective was to produce a "hybrid" movement, leveraging cheap manufacturing in Zurich, Switzerland.