Brand, Seller, or Collection Name:Casio Model number:GA110LY-1A Part Number:GA-110LY-1A Item Shape:Round Dial window material type:Mineral Display Type:analog and digital Clasp:Buckle Case material:Resin Case diameter:5.10 centimeters Case Thickness:16.90 Band Material:Resin Band width:20 millimeters Band Color:Black Dial color:Black Calendar:Perpetual calendar Special features:Stop watch Movement:Quartz Water resistant depth:200 Meters