This limited-edition timepiece will be available at Grand Seiko Boutiques starting August 2025. Spring Drive U.F.A. Also debuting is the Spring Drive Caliber 9RB2, marking a historic moment for ...

Grand Seiko’s new Spring Drive UFA movement boasts astounding accuracy. Grand Seiko Previous Spring Drive movements have topped out with an accuracy rating of +/-15 seconds per month, which easily ...

Grand Seiko ushers in a new era of Ultra Fine Accuracy with the SLGB003, powered by the revolutionary Spring Drive Caliber 9RB2 Published: Fri 16 May 2025, 5:26 PM Updated: Mon 2 Jun 2025, 6:13 PM By: ...