Career
He came while young to London, where he is supposed to have been a pupil of James Macardell. He became a leading mezzotint engraver. Watson published some of his works himself at his house in Little Queen Anne Street, Portland Chapel.
But the majority were done for Sayer, Boydell, and other printsellers.
He exhibited engravings with the Incorporated Society of Artists between 1762 and 1775. Watson died in Fitzroy Street, London, on 20 May 1790.