Brand, Seller, or Collection Name:Casio Model number:GST-210M-1A Part Number:GST-210M-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:16.10 Band Material:Resin Band width:25 millimeters Band Color:Black Dial color:Black Bezel material:Stainless steel Calendar:Date Special features:World time Movement:Quartz Water resistant depth:200 Meters