Brand, Seller, or Collection Name:Casio Part Number:GA1100-1A1 Item Shape:Circular Dial window material type:Mineral Display Type:Analog/Digital Clasp:Buckle Metal stamp:none Case material:Resin Case diameter:5.2 centimeters Case Thickness:16.90 Band Material:Resin Band Color:Black Dial color:Black Calendar:Full auto-calendar (to year 2099) Special features:MASTER of G - Gravity Master Movement:Quartz Water resistant depth:200 Meters