Groups

List of Group Companies

Since its inception in 1881, SEIKO has been releasing innovative products including the first-domestically produced wrist watch and world’s first quartz watch.
Currently, SEIKO and its affiliates are engaged in various businesses including watches, electronic devices, system solutions or clocks.
The Group’s independent businesses, each with their own unique strengths, work together to maximize synergies.

SEIKO GROUP CORPORATION

A dedicated holding company with a new management structure to oversee all the corporation’s business subsidiaries and enhance the power of the SEIKO brand.

26-1, Ginza 1-chome,
Chuo-ku, Tokyo 104-8110, Japan

+81-3-3563-2111

SEIKO WATCH CORPORATION

Planning,development and manufacturing of watches and other products and domestic and oversea sales

26-1, Ginza 1-chome,
Chuo-ku, Tokyo 104-8118, Japan

+81-3-3564-2111

SEIKO INSTRUMENTS INC.

Development,manufacturing and sales of electronic components,
precision components and printing devices

8, Nakase 1-chome, Mihama-ku,
Chiba-shi, Chiba 261-8507, Japan

+81-43-211-1111

SEIKO SOLUTIONS INC.

Development, manufacturing, sales, maintenance, services and consultations for the hardware and the software relating with information systems and network services

8, Nakase 1-chome, Mihama-ku,
Chiba-shi, Chiba 261-8507, Japan

+81-43-273-3111

SEIKO TIME CREATION INC.

Development, manufacturing and sales of clocks (desk clocks, wall clocks, alarm clocks).
Sale and incidental installation work for system clocks, varied information display equipment and sports timing equipment, as well as timing and measurement services for various sports.

2-4-3, Fukuzumi, Koto-ku,
Tokyo 135-8610, Japan

+81-3-5646-1500