In the world of fine watchmaking, few names resonate with the quiet power of precision and craftsmanship quite like Grand Seiko. Now, with the debut of its new Spring Drive Calibre 9RB2, the Japanese watchmaker has unveiled its most precise movement to date, boasting a remarkable deviation of just ±20 seconds per year. This breakthrough … Continue reading Grand Seiko Watch Sets New Precision Benchmark With Spring Drive U.F.A.