Couple Automatic Mechanical Watch Men and Women Sapphire Glass Watches Romantic for Her or His Gift Set 2 Description
Case measurements:Specification For Men – Case Diameter: 3.9cm – Case Thickness: 1.25cm – Band Width: 2cm-Band Length:22cm .For Women – Case Diameter: 2.6cm – Case Thickness: 1.1cm – Band Width: 1.4cm-Band Length:18cm – 100% New with tag and high quality; What can I do when the watch stop? Fully winding up spring need be turn the crown clockwise 40-50 rounds to start the watch and give it some reserve powerï¼ Self-winding automatic movement watch needs to wear every day (for about 8 to 12 hours a day)ï¼ The Automatic Wrist Watch is wound by the motion of the wearer’s armï¼that is wound by wrist morements thanks to the rotorï¼ this device winds the watch’s mainspring automatically using the natural motions of the wrist, with a rotating-weight mechanism. 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 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. and when the crown is pulled out a short distance allow the hands to be turned to set the watch. We have first-class after-sales service, please rest assured purchase, please contact us immediately if there is any quality problem, We will reply you within 24hours ,and provide a satisfactory solution.