Brand, Seller, or Collection Name:Casio Model number:GA-100CB-1AER Part Number:GA-100CB-1AER Model Year:2015 Item Shape:Round Dial window material type:Mineral Display Type:Analog Clasp:Buckle Case diameter:5.1 centimeters Case Thickness:17 millimeters Band Material:Plastic Band length:men Band width:18 millimeters Band Color:Black Dial color:Blue Bezel material:Resin Calendar:Day, date, and month Item weight:2.56 Ounces Movement:Quartz Water resistant depth:200 Meters