Grand Seiko Heritage Collection Spring Drive US Exclusive Stainless Steel Blue Dial Spring Drive 40mm SBGA471

Case Material : Stainless Steel
Case Diameter : 40mm
Case Thickness : 12.5mm
Case Length : 46.2mm
Lug Width : 19mm
Dial Color : Blue
Crown : Screw Down
Strap/Bracelet : Stainless Steel w. three-fold clasp Blue Crocodile Strap w. three-fold clasp
Crystal : Dual Curve Sapphire
Caseback : Stainless Steel with Sapphire Crystal
Special : US Exclusive
Caliber : 9R65
Type : Spring Drive
Power Source : Automatic
Jewels : 30
Accuracy : ±1 second per day / ±15 seconds per month (average)
Duration : 72 Hours
Features : Time, Date, Power Reserve Indicator
Water Resistance : 100m
Magnetic Resistance : 4,800 A/m