Brand, Seller, or Collection Name:Casio Model number:GST-410-4AJF Part Number:GST-410-4AJF Model Year:2018 Item Shape:Round Display Type:Analog and digital Case diameter:5.2 centimeters Case Thickness:16.1 millimeters Band Color:Red Special features:World time, Stop watch, Timer Item weight:3.84 Ounces Movement:Quartz