Brand, Seller, or Collection Name:Casio Model number:GW-M5610BC-1JF Part Number:GW-M5610BC-1JF Model Year:2012 Item Shape:Round Case diameter:47 millimeters Case Thickness:13 millimeters Band width:19 millimeters Dial color:Black Special features:Wold time, Band type: 3 Fold One Push Buckle, Size:46.7 × 43.2 × 12.7mm mass:101.3g Item weight:3.52 Ounces Movement:Quartz