José Rodríguez Losada or José Rodríguez de Losada (Iruela, León; March 19, 1801 – London, March 6, 1870) 1 2 was a Spanish watchmaker. Liberal military man exiled in London, J. R. Losada signed his works. He is known for having donated to the Madrid City Council the Governor's Clock that presides over Madrid's Puerta del Sol (1866) .3 There are various...