Amazon.com: OLEVS Skeleton Watches for Mens Automatic Mechanical Self Buy OLEVS Mens Leather Watches Automatic Mechanical Skeleton Tourbillon Amazon.com: OLEVS Mens Automatic Watches Skeleton Mechanical Self OLEVS Men???s Gold Skeleton Watch Review Reviews of Watches Buy OLEVS Mens Leather Watches Automatic Mechanical Skeleton Tourbillon Buy OLEVS Automatic Watches for Men Diamond Skeleton Mechanical. ??? Automatic mechanical movement: Precision skeleton flywheel movement, high quality parts bring more accurate time. The self winding movement does not have a battery, and the movement of the wrist while wearing it will automatically wind the chain. SPECIFICATIONS Watch MaterialStainless Steel Movement TypeSelf winding Automatic Dial Diameter41 MM Dial Thickness12 MM Band Width20 MM Band Length240 MM Watch Weight57 g Waterproof Level3ATM