Seiko exponentially improves the accuracy of its Spring Drive movement, now measured in seconds per year, rather than month.
From the ubiquitous 4R36 to the cutting-edge Grad Seiko Spring Drive, Seiko has led the way in affordable reliability and advancing timekeeping precision. Seiko is one of the most beloved watch brands ...
SLGB005 “Violet Dawn” is Grand Seiko’s Ice Forest watch in Ever-Brilliant Steel It features a highly accurate Spring Drive U.F.A. movement with a rate of ±20 seconds per year Limited to 1,300 pieces; ...