Citizen Watch Co., Ltd. engages in the manufacture and sale of watches, their components, machine tools, and electronic devices and products. It operates through the following segments: Watches, Machine Tools, Devices and Components, Electronic Products, and Other Products. The Watches segment provides watches and quartz movement. The Machine Tools segment manufactures numerical control automatic lathes. The Devices and Components segment offers light-emitting diode, automotive parts, quartz crystals, micro display devices, and switches. The Electronic Products segment offers calculators, printers, and healthcare equipment. The Other Products segment manufactures jewelry. The company was founded on May 28, 1930 and is headquartered in Tokyo, Japan.