This dual tone expansion watch strap features in an all around silver tone brushed finish with a polished gold tone rails in the middle. The assemble of springs and shells of this watch band are very comfortable and flexible to wear for daily use. Perfect for those who constantly have to remove their watch per day. Watch band fits any casual or dress timepieces measuring 16mm to 21mm distance between the lugs. A straight squeeze end piece that fits tightly to the case. This replacement watch strap is also water resistant. Fits sizes 16mm to 21mm. Regular length.