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When it comes to precision and craftsmanship in the world of luxury watches, Grand Seiko has always stood apart. With the launch of the new Spring Drive Calibre 9RB2, the Japanese brand has reached an entirely new level—introducing its most accurate movement yet. This innovative caliber offers an astonishing precision rate of just ±20 seconds per year. It doesn’t just improve on previous benchmarks—it completely shifts the conversation around what’s possible in high-end timekeeping.
But this release is about more than technical specs. The Spring Drive U.F.A.—short for Ultra Fine Adjusted—is a beautiful expression of Grand Seiko’s philosophy: blending advanced engineering with artistic soul. It represents over two decades of research into hybrid timekeeping, combining the traditional elegance of mechanical movements with the pinpoint accuracy of quartz. In short, it doesn’t just track time—it captures its essence.