Watson became involved in Republican politics and in 1874, was president of the Detroit Political Union, an African American political action group which opposed the political efforts of
George DeBaptiste, John D. Richards, and Walter Y. Clark. That year, Watson was nominated to the state legislature, but lost in the election. In 1875, he was nominated to the Board of Estimates, but again lost due to a ballot irregularity involving a misspelling of Watson's name His democratic opponent, M. J. Mills, refused the nomination and the alderman voted Watson to the seat. In 1876, he was again nominated to the state legislature and again lost. In 1883, he was nominated to the city council and was elected to the three-year term. Watson along with
Obadiah C. Wood feuded with
Albert W. Hill, and when Watson term in the city council ended, he was not put up for a second term. When Watson's term in the city council ended, he requested and was promised a seat in the assessor's office, but in the end, was not appointed. and in 1888, Watson wrote an article published in the
Detroit Free Press in support of independent politics and questioning the Republican Party's support for civil rights. He formed the Independent Colored Democratic Club and was a member of the Jacksonians club. In 1892, he supported Grover Cleveland in the
presidential election. In 1891, he was appointed to the Jury Commission by Michigan Governor
Edwin B. Winans. Watson was also active in civic affairs. In 1884, he was honorary commissioner for the State of Michigan to the colored department of the World's Fair, the
World Cotton Centennial in
New Orleans. He was loosely connected to the Congregational denomination of the Christian church. ==Death==