The Shinshu Watch Studio produces Grand Seiko’s Spring Drive and quartz watches. It has a unique mastery of craftsmanship and high technology micro-engineering.

The quartz models in the Grand Seiko collection are significantly more complex than standard quartz watches, and can only be handcrafted by expert watchmakers.
The Shinshu Watch Studio pioneered the combination of superior technology and craftsmanship which gave rise to the world's first quartz watch, and it continues to produce the ultimate in innovative quartz watches.

Over twenty years in development, the exclusive Spring Drive mechanism began as a revolutionary concept in watchmaking and only came to fruition through the technological expertise of a true watch manufacture.
Spring Drive continues to evolve today. Advanced models have pushed the limits of complication and accuracy, including a Spring Drive Chronograph with stopwatch functionality and the Spring Drive eight day power reserve.

The Shinshu Watch Studio boasts world-leading craftsmanship, with mastery of techniques such as Zaratsu polishing, which creates the sharply defined edges and seamless mirror finishing that is the signature of Grand Seiko.

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