Brand, Seller, or Collection Name:Casio Model number:PRG-300-1A4ER Part Number:PRG-300-1A4ER Item Shape:Round Dial window material type:Mineral Display Type:Digital Clasp:Buckle Case material:Resin Case diameter:45 millimeters Case Thickness:12 millimeters Band Material:Resin Band length:Unisex Band width:18 millimeters Band Color:Black Dial color:Grey Bezel material:Resin Bezel function:Stationary Calendar:Day and date Item weight:2.08 Ounces Movement:Quartz Water resistant depth:330 Feet