Brand, Seller, or Collection Name:Casio Model number:HDA-600B-7BVDF (A509) Part Number:A509 (A509) Item Shape:Round Dial window material type:Mineral Display Type:Analog and digital Clasp:Buckle Case material:Resin Case diameter:37 millimeters Case Thickness:13 millimeters Band Material:Resin Band length:Men's Standard Band width:20 millimeters Band Color:Black Dial color:White Calendar:Date Special features:Shock resistant, measures-seconds, Luminous Movement:Quartz Water resistant depth:100 Meters