Brand, Seller, or Collection Name:Casio Model number:G-8900-1JF Part Number:G-8900-1JF Model Year:2011 Item Shape:Round Dial window material type:Inorganic glass Display Type:Digital Case diameter:5.5 centimeters Case Thickness:16.3 millimeters Band Material:Plastic Band width:20 Band Color:Black Dial color:Black Special features:G-8900-1JF Item weight:2.40 Ounces Movement:Battery Water resistant depth:200 Meters