Powered by the slim, hand-wound movement, Caliber 9S64, this watch is the epitome of simple refinement. When viewed through the sapphire case back, the intricate perfection of the engineering of the hand-assembled and adjusted movement is abundantly and satisfyingly clear. Thanks to a long mainspring and a balance both made of a proprietary metals, this watch has a high and stable accuracy rate and a power reserve of 72 hours. The dial is in a delicate shade of pale blue, the color of the skies above Mt. Iwate as summer begins, the season known as Kishun. SKU: SBGW283 Brand: Grand Seiko Collection: Elegance Case: Stainless Steel Case Size: 37.3mm Case Thickness: 11.7mm Case Length: 44.3mm Lug Width: 19mm Dial Colour: Blue Water Resistance: Splash Resistant Movement: Manual Winding Shape: Round Strap Material: Crocodile Leather Crystal: Sapphire Functions: Three hand Power Reserve: 72 hours Movement Type: 9S64 Warranty: 5 year manufacturer international