Mechanical hand wound skeletonized movement with the opaque or clear dial face and austrian crystal displays bezel with cabochon crown</br>Hardened mineral domed crystal lens</br>Mechanical-hand-wind Movement</br>Case Diameter: 36mm</br>Water resistant to 50m (165ft: in general, suitable for short periods of recreational swimming, but not diving or snorkeling</br><br/>http://www.amazon.com/gp/product/B01N12CN03