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SII has factories, offices, and employees around the world, and carries out R&D and creates products on a global scale. In today’s increasingly borderless world, SII is focused on responding to customer needs with a global vision. Our international perspective drives the creation of new SII technologies, products and services.
Head Office & Makuhari Unit
Takatsuka Unit
Ohno Unit
Sendai Unit
Akita Unit
SII Crystal Technology Inc. (Tochigi)
Seiko Instruments Singapore Pte. Ltd. (Singapore)
Seiko Instruments (Thailand) Ltd. (Thailand)
Seiko Instruments Technology (Shanghai) Inc. (China)
Dalian Seiko Instruments Inc. (China)