Brand, Seller, or Collection Name:Casio Model number:GWN-Q1000-1A Part Number:GWN-Q1000-1A Item Shape:Round Dial window material type:Synthetic sapphire Display Type:Analog and digital Clasp:Buckle Metal stamp:none Case material:Stainless steel Case diameter:48 millimeters Case Thickness:16.20 Band Material:Resin Band width:20 millimeters Band Color:Black Dial color:Black Calendar:Date Movement:Quartz Water resistant depth:200 Meters