SODIAL(R) (Blue Strap & Black Dial) Men's Faux Leather Band Wrist Skeleton Watch Package Includes: 1x Wrist Watch Case Diameter: 4cm/1.57" (Approx.) Case Thickness: 0.9cm/0.35" (Approx.) Band Length: 11.5 + 8.5cm/4.53" + 3.35" (Approx.) Note: This wrist watch has skeleton dial, but it's not a mechanical watch.