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Seiko

This article is about the Japanese company. For other uses, see Seiko (disambiguation).

Seiko Group Corporation
Native name
セイコーグループ株式会社
Seikō Gurūpu kabushiki gaisha
Formerly
  • K. Hattori & Co. (1881-1917)
  • K. Hattori & Co., Ltd. (1917-1983)
  • Hattori Seiko Co., Ltd. (1983-1990)
  • Seiko Corporation (1990-2007)
  • Seiko Holdings Corporation (2007-2022)
Company typePublic
TYO: 8050
ISINJP3414700009 Edit this on Wikidata
IndustryElectronics
Watchmaking
Founded1881 (1881) in Chūō, Tokyo, Japan
FounderKintarō Hattori
HeadquartersGinza, Chūō, Tokyo, Japan
Key people
Products
RevenueIncrease ¥304.7 billion (FY2024[4])[5]
Increase ¥21.2 billion (FY2024)[5]
Increase ¥13.3 billion (FY2024)[5]
Total assetsIncrease ¥369.2 billion (FY2024)[5]
Total equityIncrease ¥156.0 billion (FY2024)[5]
OwnerHattori family
Number of employees
11,740 (as of 31 March 2024)[2]
Subsidiaries
Websiteseiko.co.jp

Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko (/ˈseɪkoʊ/ SAY-koh, Japanese: [seːkoː]), is a Japanese maker of watches, clocks, electronic devices, and semiconductors. Founded in 1881 by Kintarō Hattori in Tokyo, Seiko introduced the world's first commercial quartz wristwatch in 1969.[6][7]

Seiko is widely known for its wristwatches.[8] Seiko and Rolex are the only two watch companies considered to be vertically integrated.[9] Seiko is able to design and develop all the components of a watch, as well as assemble, adjust, inspect and ship them in-house. Seiko's mechanical watches consist of approximately 200 parts, and the company has the technology and production facilities to design and manufacture all of these parts internally.[10]

The company was incorporated (K. Hattori & Co., Ltd.) in 1917 and renamed Hattori Seiko Co., Ltd. in 1983 and Seiko Corporation in 1990. After reconstructing and creating its operating subsidiaries (such as Seiko Watch Corporation and Seiko Clock Inc.), it became a holding company in 2001 and was renamed Seiko Holdings Corporation on July 1, 2007. Seiko Holdings Corporation was renamed Seiko Group Corporation as of October 1, 2022.[11]

Seiko watches were originally produced by two different Hattori family companies (not subsidiaries of K. Hattori & Co); one was Daini Seikosha Co. (now known as Seiko Instruments Inc., a subsidiary of Seiko Holdings since 2009) and the other was Suwa Seikosha Co. (now known as Seiko Epson Corporation, an independent publicly traded company). Having two companies both producing the same brand of watch enabled Seiko to improve technology through competition and hedge risk. It also reduced risk of production problems, since one company can increase production in the case of decreased production in the other parties. Seiko remains as one of the world's most recognised watchmaking brands.[12]

At present, quartz and Spring Drive watches are manufactured in Shiojiri, Nagano (Epson), and mechanical watches in Shizukuishi, Iwate (Morioka Seiko Instruments). Some of the watches exported abroad, such as the Seiko 5, are also manufactured in Ninohe, Iwate, by Ninohe Tokei Kogyo (established in 1974 as a parts factory for Seiko).[13] Flagship mechanical timepieces such as the Grand Seiko Kodo are manufactured at Atelier Ginza, located on the 7th floor of Seiko House Ginza in Tokyo.[14][15]

In Ginza, where the company was founded, there are several Seiko-related facilities in addition to Seiko House Ginza, including the Seiko Museum and Seiko Dream Square.[16] Several Seiko boutiques and department stores in the area frequently offer Ginza-exclusive models.[17]

  1. ^ "和光ビル（旧服部時計店本社ビル）". Sanko Estate Co., Ltd. Archived from the original on January 13, 2023.
  2. ^ a b c d "Corporate Information & Access Map". Seiko Group Corporation.
  3. ^ a b "Corporate Profile". Seiko Watch Corporation.
  4. ^ 1 April 2024 - 31 March 2025
  5. ^ a b c d e "Consolidated Financial Results for the Year Ended March 31, 2025" (PDF). Seiko Group Corporation. Retrieved June 5, 2025.
  6. ^ "The History of Seiko Through 12 Milestone Seiko Watches". EBNER PUBLISHING INTERNATIONAL, INC. January 20, 2021. Archived from the original on November 25, 2021.
  7. ^ "Our Heritage". Seiko Watch Corporation. Archived from the original on April 3, 2022.
  8. ^ "Seiko sets its sights on high-quality mechanical market". Financial Times. September 28, 2015. Archived from the original on October 1, 2019. Retrieved January 18, 2022.
  9. ^ "Go Behind the Scenes of One of the Most Impressive Watchmaking Operations in the World". Gear Patrol, LLC. February 8, 2018. Archived from the original on December 3, 2022. Retrieved February 3, 2023.
  10. ^ "Seiko Quality" (in Japanese). Seiko Group Corporation. Archived from the original on February 3, 2023. Retrieved February 3, 2023.
  11. ^ "商号の変更および定款の一部変更に関するお知らせ" [Announcement of Change in Trade Name and Partial Amendment to Articles of Incorporation] (PDF) (Press release) (in Japanese). Seiko Holdings Corporation. Grand 2010-2022 andy low. May 10, 2022. Retrieved May 11, 2022.
  12. ^ 文字板に込めた、それぞれの製造地への想い (in Japanese). Jewelry Paris Inc. February 12, 2021. Archived from the original on February 24, 2021. Retrieved February 3, 2023.
  13. ^ セイコー大人の遠足＠雫石 (in Japanese). Web Chronos. October 18, 2017. Archived from the original on June 27, 2022. Retrieved February 3, 2023.
  14. ^ "Grand Seiko Manufacture Tour Part 4: Chatting with the man behind the Kodo at Atelier Ginza". Time and Tide Watches. Archived from the original on June 24, 2024.
  15. ^ "セイコー創業の地、東京・銀座に時計工房「アトリエ銀座」が誕生". Web Chronos. Archived from the original on January 15, 2025.
  16. ^ "Grand Seiko Manufacture Tour Part 2: The Seiko Museum in Ginza". Time and Tide Watches. Archived from the original on August 13, 2023.
  17. ^ "Ginza Limited Edition". Seiko. Archived from the original on February 14, 2025.

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