Citizen Watch Co., Ltd. mainly engages in watch business, machine tools business, device business, electronic machinery business and others. The Company operates in five business segments. The Watch segment manufactures and sells watches and movements. The Machine Tools segment manufactures and sells numerical control (NC) automatic lathes and others. The Device segment provides light-emitting diode (LED), crystal oscillators, micro displays, switches and automobile parts. The Electronic Machinery segment manufactures and sells printers, healthcare equipment and calculators, among others. The Others segment purchases and sells jewelry products and others. Brands include CITIZEN, LICENSE, Quality & Quantity (Q&Q), among others.