Brand, Seller, or Collection Name:Casio Model number:GXW-56BB-1JF Part Number:GXW-56BB-1JF Model Year:2016 Item Shape:Square Display Type:Digital Case diameter:5.4 centimeters Case Thickness:17.5 millimeters Band Material:Resin Band Color:Black Dial color:Black Special features:World time Item weight:3.04 Ounces Movement:Quartz