Brand, Seller, or Collection Name:Casio Model number:GF-8250CM-2JR Part Number:GF-8250CM-2JR Model Year:2015 Item Shape:Round Display Type:Digital Case diameter:5 centimeters Case Thickness:18 millimeters Band Material:Carbon Fiber Band width:22 millimeters Band Color:Blue Dial color:Blue Special features:Calculator Item weight:4 Ounces Movement:Quartz Water resistant depth:200 Meters