Grand Seiko Evolution 9
Exterior
Exterior: Ever brilliant steel, Caseback: Ever brilliant steel and sapphire crystal
Case back: See-through & Screw case back
Glass Material: Box shaped sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40.0mm Lug-to-lug 47.0mm Thickness 11.7mm
Clasp type: Three-fold clasp with push button release
Movement
Caliber no.: 9SA5 Instructions
Movement Type: Automatic with manual winding