Grand Seiko latest Spring Drive and Hi-Beat movements and Ever-Brilliant Steel. A perfect combination

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  For over sixty years, advances in the fundamentals of watchmaking, precision, durability and beauty, have been of paramount importance to Grand Seiko. With the Spring Drive Caliber 9RA5 and the Hi-Beat 36000 Caliber 9SA5 launched in 2020, Grand Seiko … Continued