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独創 4 INNOVATION

The Beginning of the Grand Seiko Lineage with Three Distinctive Mechanisms

After Seiko released the world’s first quartz watch in 1969, the standard for wristwatches changed significantly, and the shift from mechanical timepieces to quartz timepieces progressed rapidly. While pursuing the ultimate accuracy in mechanical watches, research and development also continued in search of values suitable for a new era.
From the late 1980s onwards, a new lineage of Grand Seiko began, with three drive systems: quartz, mechanical, and Spring Drive, which features characteristics of both quartz and mechanical drive mechanisms.

Main Exhibits

  • 9F Quartz: SBGT001

    9F Quartz: SBGT001

    In 1988, the first quartz watch bearing the Grand Seiko name was born. The 95GS, developed exclusively for Grand Seiko, featured a crystal oscillator with outstanding resistance to temperature, humidity, and shock, which was subjected to a process of long-term aging to achieve a level of accuracy more than 10 times that of regular quartz watches, boasting an ultra-high accuracy of ±10 seconds per year.
    Five years later, in 1993, Seiko developed a movement with strong torque, the 9F83, which made it possible to use thick hands for excellent legibility. Thereby, Grand Seiko’s core style of accuracy, legibility, and beauty was established for quartz watches as well. SBGT001 which features Cal.9F83 is exhibited.

  • 9S Mechanical: SBGR002

    9S Mechanical: SBGR002

    In 1998, the SBGR002 was one of the models announced with the establishment of the new Grand Seiko standards. The dial features a gently rounded bombe dial, and the glass is dual-curved with anti-reflective coating on both sides. The hands and indices are diamond-cut, and it is equipped with the completely newly designed Cal. 9S55 movement, offering outstanding functionality.

  • 9R Spring Drive: SBGA211

    9R Spring Drive: SBGA211

    The SBGA211, born in 2017 and also known as the Snowflake or Snow White Dial, represents the snow-covered peaks of the Hotaka Mountain Range as seen from the Shinshu Toki-no-Takumi Studio in Nagano Prefecture. The blue steel second hand stands out against the pure white dial, and its smooth, sweeping motion, unique to the Spring Drive, beautifully expresses the continuous and natural flow of time.

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