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