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Links

Sumida Ward

Sumida Ward Official Website

http://www.city.sumida.lg.jp

"VISIT SUMIDA" Tourism Office

http://visit-sumida.jp

Sumida 3M (Museum, Manufacturing Shop, Meister)

http://www.techno-city.sumida.tokyo.jp/3m/index.html

Seiko Holdings Group

Seiko Holdings Corporation

Consolidated management for each affiliated company within the Group

http://www.seiko.co.jp

SEIKO WATCH CORPORATION

Planning for watches and other products and domestic and overseas sales

http://www.seiko-watch.co.jp

Seiko Instruments Inc.

Development, manufacturing and sales of watches, precision components and machine tools, electronic components, communication products and solutions, printers, measurement and analysis instruments

http://www.sii.co.jp

SEIKO PRECISION INC.

Manufacturing/sales for electronic devices, shutters for cameras and peripherals, system integration, information equipment, system clocks and production equipment

http://www.seiko-p.co.jp

SEIKO NPC CORPORATION

Design, development and marketing of integrated circuits (ICs)

http://www.npc.co.jp/ja

SEIKO CLOCK INC.

Development, manufacturing and sales of clocks (table clocks, wall clocks, alarm clocks)

http://www.seiko-clock.co.jp

SEIKOOPTICAL PRODUCTS CO., LTD.

Wholesale marketing of lenses and frames for glasses along with other optical-related products

http://www.seiko-opt.co.jp

WAKO Co., Ltd.

Sales of watches, jewelry, accessories, interior supplies, art goods and crafts, glasses and foodstuffs

http://www.wako.co.jp

SEIKO TIME SYSTEMS INC.

Manufacturing, sales 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 events

http://www.seiko-sts.co.jp