Brand, Seller, or Collection Name:Casio Model number:GA-100L-1A Part Number:GA-100L-1A Item Shape:Round Dial window material type:Mineral Display Type:Digital Clasp:Buckle Metal stamp:none Case material:Stainless steel Case diameter:5.10 centimeters Case Thickness:14 Band Material:Resin Band width:16 millimeters Band Color:Black Dial color:Black Bezel material:Fixed Calendar:Date Special features:World time Item weight:2.56 Ounces Movement:Quartz Water resistant depth:200 Meters