TREEWETO Men's Women's Pocket Watch Steampunk Skeleton Mechanical Silver Fob Retro Watches Double Case

specifications:Case/Chain material:AlloyCase diameter:45mmChain Length:38mm (Hook included)Case Thinkness:12mmHow to use/set mechanical pocket watch ? Once you receive the mechanical watch:A. Setting timePull the crown away from base of the watch and turn the crown clockwise until reaching the exact time.B. Winding the watchPush the crown back into place along the base of the watch and winding up the watchclockwise rotation with 30-40 turns. The power will be full(Over winding will ultimately break the spring). Do this one time each day (before sleeping). Otherwise, it will stop working. Please do not over winding up the watch if you feel the crown is tight.Package Included: 1 * Pocket Watch 1 * Gift Box 1 * Chain