Brand, Seller, or Collection Name:Casio Model number:DW-9052GBX-1A9JF Part Number:DW-9052GBX-1A9JF Model Year:2017 Item Shape:Round Display Type:Digital Case diameter:43 millimeters Case Thickness:14.7 millimeters Band Material:Resin Band Color:Black Special features:Timer, Stop watch Item weight:2.08 Ounces Movement:Quartz