Invicta black Dial Ion Plated Stainless Steel Watch # 17191 (Men Watch). Band Color : Black. Dial Color : black. Display Type : Chronograph. Item Shape : Round Shape. Band Material : Silicone. Case Size Thickness : 13 millimetres. Case Size Diameter : 40 millimetres. Band Width : 20 millimetres. Case Material : Stainless Steel. Clasp Type : Buckle. Bezel Material : Ion Plated Stainless Steel. Crystal : Mineral. Movement Type : Quartz. Model Number:17191 1719 171 17.