Grand Seiko Evolution 9 Spring Drive U.F.A.

The Grand Seiko Evolution 9 Spring Drive U.F.A., reference SLGB011, has a steel case measuring 40 mm in diameter. Spring Drive calibre 9RB2 has 34 jewels and approximately 72 hours of power reserve. A box-shaped sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display, a power reserve indicator, and a see-through case back. This Evolution 9 Spring Drive U.F.A. has a steel bracelet with a folding clasp with micro-adjustment. The dial takes inspiration from the Atera River near Shinshu Watch Studio. The case has a thickness of 11.7 mm and a lug-to-lug span of 47.2 mm; water resistance is rated to 100 metres.