Grand Seiko Spring Drive U.F.A. Atera Valley SLGB011

A Spring Drive U.F.A. creation with a dial depicting the beautiful Atera Valley in all its blue-green glory

Nagano Prefecture is home to a number of mountains rising over 3,000 meters. The countless rivers that flow from these mountains have, over many years, created a lush, natural environment. The watch’s dial captures the enchanting scenery of the Atera River near the Shinshu Watch Studio, located within a Seiko Epson facility in Shiojiri, home of Grand Seiko Spring Drive watchmaking. The dial’s intricate gradation and blue-green coloring express this natural phenomenon with refined craftsmanship.
The watch is equipped with the Spring Drive U.F.A. Caliber 9RB2, which delivers an extraordinary annual accuracy of ±20 seconds. It also features a power reserve of approximately 72 hours (about three days) when fully wound. The case and bracelet feature Ever-Brilliant Steel, a stainless-steel alloy renowned for its exceptional corrosion resistance and bright hue.

• SKU: SLGB011
• Brand: Grand Seiko
• Collection: Evolution 9
• Case: Ever-Brilliant Steel
• Case Size: Diameter 40.0mm Lug-to-lug 47.2mm Thickness 11.7mm
• Dial: Green textured 
• Crystal: Box sapphire crystal with anti-reflective coating on inner surface
• Case-Back: See-through & Screw case back
• Crown: Screw-down
• Water Resistance: 10 bar
• Movement: 9RB2
• Movement Type: Automatic Spring Drive with manual winding
• Power Reserve: 72 hours
• Accuracy: ±20 seconds per year (±3 seconds per month)
• Strap Material: Ever-Brilliant Steel
  
• Buckle: Three-fold clasp with push button release and micro-adjustment feature
• Warranty: 5 year manufacturer international guarantee