Brand, Seller, or Collection Name:Casio Model number:GW-A1100R-4ADR (G621) Part Number:GW-A1100R-4A Dial window material type:Sapphire Glass Display Type:Analog Clasp:Buckle Case material:Stainless Steel> Case diameter:5.4 centimeters Case Thickness:17 millimeters Band Material:Resin Strap Band width:22 millimeters Band Color:Red Dial color:Black Movement:Solar