Brand, Seller, or Collection Name:Casio Model number:AQ163W-1B1V Part Number:AQ-163W-1B1VCF Item Shape:Oval Dial window material type:Mineral Display Type:Analog Clasp:Buckle Case material:steel-urethane Case diameter:41 millimeters Case Thickness:16 millimeters Band Material:urethane Band length:mens Band width:23 millimeters Band Color:Various Dial color:Black Bezel material:Stainless steel Bezel function:Stationary Calendar:Day Special features:Stop watch, Chronograph, Luminous Movement:Quartz