Nittō Seikō K.K. (日東精工㈱) is a Japanese company, which made some cameras in the 1950s.
The company was founded on February 25, 1938 and manufactured various parts, including flash guns from 1950. It made two 35mm cameras in the first half of the 1950s, the Look and the Elega-35. The company still exists (2007) and makes industrial parts, tools and measuring instruments.