SLGB003 Evolution 9 Spring Drive UFA HI-Ti 37mm - Blue on Bracelet

Evolution 9 celebrates 60 years of Grand Seiko, blending tradition, innovation, and modern practicality in design.

Spring Drive U.F.A. (Ultra Fine Accuracy). This groundbreaking movement boasts a level of precision defined not by accuracy in seconds per day, week, or month, but by its accuracy over one year – an annual rate of ±20 seconds, making it the most accurate wristwatch movement powered by a mainspring today.