Became a wholly-owned subsidiary of Seiko Holdings Corporation.
Developed the 12 beat movement, providing the world's highest accuracy for mechanical watches.
Developed mercury-free and lead-free silver oxide batteries.
Opened Shizukuishi Watch Studio,Japan's only fully-integrated production system for mechanical wristwatches.
Seiko Instruments Inc. officially changed its company Japanese name.
SEIKO products were selected as the official timekeeping instruments for the Salt Lake City Winter Olympics.
SII establishes the "WINS" strategy
SEIKO products were selected as the official timekeeping instruments for the Nagano Olympics.
Sun Street retail complex opened in Kameido, Tokyo.
SEIKO products were selected as the official timekeeping instruments for the Lillehammer Olympics.
Completed the Sll Makuhari Building and transferred head office, sales, and development operations to the new building.
Sll Group eliminated use of chlorofluorocarbons.
SEIKO products were selected as the official timekeeping instruments for the Barcelona Olympics.
New corporate brand name SII adopted as official acronym of Seiko Instruments Inc.
Completed the world's first automated assembling system for multipurpose, small-lot production of watch movements.
Seiko Instruments & Electronics Ltd. officially renamed Seiko Instruments Inc.
Completed the world's top automated assembly system for multipurpose, small-lot production of outer watch parts.
Daini Seikosha Co., Ltd. officially changed company name to Seiko Instruments & Electronics Ltd.
Received Ohkohchi Memorial Production Special Prize for the development of the "System A" automated watch assembly process.
The Company launched its product diversification activities.
The SEIKO Group introduced the world's first quartz watch.
SEIKO products captured all higher awards in the wrist chronometer class of the Observatoire Cantonal de Neuchatel contest held in Switzerland.
Reflecting its rapid progress in enhancing the accuracy and reliability of timekeeping instruments, SEIKO products were selected as the official timekeeping instruments for the Tokyo Olympics.
K. Hattori & Co., Ltd. established the watch manufacturing department of Seikosha Co., Ltd., its production arm, as a separate company. The new company was named Daini Seikosha Co., Ltd. (presently Sll).
K. Hattori & Co., Ltd. established Seikosha Co., Ltd. and began production of clocks.
Kintaro Hattori established K. Hattori & Co., Ltd. (presently Seiko Corporation), a watch and clock retail store.