<br>Watches of was established in the early twentieth century in 1986, adhering to the brand concept of "precision to create a legend" ,  <br>Swiss manufacturing technology and design style, breaking the traditional mature classic watches for the mainstream situation, open up new classic,fashion style.  <br>watch is the pioneer of high-end watch industry,There are more than 160 countries have sales network and service agencies,  <br>We control quality successfully,based on top-of-the-line testing and extensive expertise..  <br>What can I do when the watch stop?   <br>Fully winding up spring need be turn the crown clockwise 40-50 rounds to start the watch and give it some reserve power，  <br>Self-winding automatic movement watch needs to wear every day (for about 8 to 12 hours a day)，  <br>The Automatic Wrist Watch is wound by the motion of the wearer's arm，that is wound by wrist morements thanks to the rotor，  <br>this device winds the watch's mainspring automatically using the natural motions of the wrist, with a rotating-weight mechanism.  <br>If an automatic watch is not worn for a day or two, Or the natural movement of the wrist is very small,it will wind down and need to be Supplementary winding   <br>by hand to get it started again,turning a Crown winding attached to a ratchet which twists the mainspring  tighter,Energy is stored in the mainspring manually by winding it up.  <br>A separate set of gears called the keyless work winds the mainspring when the crown is rotated,   <br>and when the crown is pulled out a short distance allow the hands to be turned to set the watch.   <br>We will try our best to provide you with good service.  <br>If you have any question, please kindly contact us, we will reply you within 24 hours.  <br>Otherwise, we would be grateful if you would contact us before leaving 1-star to 3-star feedback, we will take pleasure to provide a satisfactory solution.