Brand, Seller, or Collection Name:Casio Model number:GWM530A-1 Part Number:GWM530A-1 Item Shape:Round Dial window material type:Mineral Display Type:Digital Clasp:Buckle Case material:Resin Case diameter:46 millimeters Case Thickness:5.7 centimeters Band Material:Resin Band length:Men's Standard Band width:16.6 millimeters Band Color:Black Dial color:Grey Bezel material:Resin Bezel function:Stationary Calendar:Day Date And Month Special features:World time Movement:Quartz Water resistant depth:660 Feet