Brand, Seller, or Collection Name:Casio Model number:GWG-1000GB-1AJF Part Number:GWG-1000GB-1AJF Model Year:2015 Item Shape:Round Display Type:Analog and digital Case diameter:5.6 centimeters Case Thickness:18 millimeters Band Material:Resin Band width:18 millimeters Band Color:Black Dial color:Black Special features:World time Item weight:4.16 Ounces Movement:Quartz