Grand Seiko Sport Collection Spring Drive Titanium ”The Tokyo Lion” SBGE307

Brand: Grand Seiko 
Reference: SBGE307
Movement: Automatic 
Caliber: 9R66
Glass Material: Sapphire glass with anti-reflective coating 
Case material: Titanium
Bracelet/Strap: Titanium
Case Diameter: 44.5 mm 
Thickness: 14.9 mm 
Weight: 152 g 
Precision: ±15 seconds/ month 
Water-resistance: Waterproof to 200 meters / 660 feet