Brand, Seller, or Collection Name:Casio Part Number:GRB100-1A2 Dial window material type:Mineral Display Type:Analog/Digital Clasp:Buckle Metal stamp:none Case material:Resin Case diameter:5.4 centimeters Band Material:Resin Band Color:Black Dial color:Black Calendar:Full Auto Calendar Movement:Quartz Water resistant depth:200 Meters