Japan's largest sales specialist company that handles watches, eyeglasses, and watch repairs in famous department stores nationwide Headquarters: 7th floor, Kanda Kajicho Building, 1-8-8 Kajicho, Chiyoda-ku , Tokyo 101-0044 Kanda Kajicho Bldg., 1-8-8, Kajicho, Chiyoda-ku, Tokyo 101-0044, Japan Enlarge the map Kronos is a member of the Seiko Holdings Group. Seiko Watch Corporation Seiko Holdings Co., Ltd. Seiko Clock Co., Ltd. Seiko Optical Products Co., Ltd. Seiko Service Center Co., Ltd. ｜　Home　｜　Inquiries　｜　Privacy Policy　｜ Copyright © 2021 CRONOS INC. All Rights Reserved.