Casio Computer Co., Ltd. engages in the manufacture and sale of watches and personal electronic equipment. It operates through the following segments: Watches, Consumer, Systems, and Others. The Watches segment includes watches, clocks, and related products. The Consumer segment provides electronic dictionaries, calculators, electronic stationery, and electronic musical instruments. The Systems segment offers handheld terminals, electronic registers, and management support systems. The Others segment includes molds, molded parts, and dies. The company was founded by Tadao Kashio in April 1946 and is headquartered in Tokyo, Japan.