Watkins was member of the National Liberal Club for many years, having first joined as an undergraduate. He was elected a vice-chairman of the Club not long before his death. He served on the executive of the London Liberal Party, being elected president in 1987.Valerie Silbiger in Liberal News, 23 June 1995 He also took on roles in Liberal International,Joyce Aram in Liberal News, 23 June 1995 the Liberal Parliamentary Candidates AssociationThe Times, 18 July 1968 p2 and the Electoral Reform Society.The Guardian, 9 June 1995 He was a founder member of the Liberal Friends of Israel.Joyce Aram in Liberal News, 23 June 1995
