Nippon Clockwork Co.
- Country: Japan
- Type: Commercial
- Website: www.nhkspg.co.jp
- Update: 05-02
(NHK Spring Co., Ltd.), one of the world's largest clockwork manufacturers, was founded in 1936, is headquartered in Yokohama, and was listed on the Tokyo Stock Exchange in 1954 (TSE 1st Section: 5991).
