YOHAN BLAKE LIMITED EDITION <<Model : Black Forge Carbon NTPT Design Engineered Casework,Black Forge Carbon NTPT Design Frontal Bezel , Green Inner Bezel, Green Skeleton Dial, on Green or Yellow Rubber Strap with Tang Buckle.Movement: Custom Modified Asian Handwind Movement, Fully Decorated Functions: Hours, Minutes Dimensions : Width 42mm x Height 50mm x 16mm Thk Material : 1 piece forged case construction, solid Forge Carbon in GreenBack : Display case back with Detail Serial Engraving Crown : One-piece Pull Out Crown with o ring Crystal : Sapphire Crystal Water-resistant