Seiko Group Corp is a Japanese manufacturer of watches and electronic devices. The company organizes itself into four segments, based on product type: watches, electronic devices, systems solutions, and others. The watches business, which contributes more than half of the company's revenue, manufactures men's and ladies' fashion watches. The electronic devices business, the next most significant contributor to revenue, produces components such as semiconductors, camera shutters, inkjet print heads, thermal printers, micro-batteries, and radiation-measuring equipment. Combined sales in the watches and electronic devices segments constitute the vast majority of consolidated revenue. The company derives approximately half its revenue domestically.