Grand Seiko Evolution 9 Collection Spring Drive U.F.A. 'Atera Valley' SLGB011 Prong_6 Prong 3 mmLug Width: 21

3 mmLug Width: 21

Starting at $3

Quality: F-G/SI1

Silicon Balance Spring

Grand Seiko Evolution 9 Collection Spring Drive U.F.A. 'Atera Valley' SLGB011 Prong_6 Prong 3 mmLug Width: 21Ships September 2026 Features: Hours, Minutes, Seconds, Date & Power Reserve display Blue green textured dial inspired by the crystal clear waters of the Atera Valley Spring Drive U. F. A. movement with ultra high annual accuracy Exceptional 20 seconds per year precision 72 hour power reserve Power reserve indicator on the movement side Ever Brilliant Steel case and bracelet with superior corrosion resistance Three fold clasp with micro adjustment