Grand Seiko Spring drive 9RA2 Stainless steel SLGA021

Brand: Grand Seiko 
Reference: SLGA021
Movement: Spring drive 
Caliber: 9RA2
Glass Material: Dual curve sapphire glass with anti-reflective coating 
Case material: Stainless steel 
Bracelet/Strap: Stainless steel  
Back: See-through back
Case Diameter: 40 mm 
Thickness: 11.8 mm 
Weight: 176 g 
Precision: ±10 seconds/ month 
Water-resistance: Waterproof to 100 meters / 330 feet
Remarks: Screw down crown,