Automatic mechanical watch waterproof tourbillon technology luminous fashion men's watchInstructions for using the mechanical watch 1. just received the watch, the first use, need to turn clockwise 15 20 turns, as the initial power 2. keep in mind that your self winding mechanical watch may stop at night or appear to run slowly. This does not indicate a malfunction or a defect in the watch. This indicates that there is not enough wrist action, kinetic energy while wearing the watch 3. Use your watch at least 8 hours a day to maximize the