Grand Seiko Heritage
Exterior Exterior: Platinum
Case back: See-through & Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40.0mm Lug-to-lug 46.2mm Thickness 12.5mm
Band Material: Crocodile leather
Clasp type: Deployment clasp with push button release
Movement: Automatic