At its most basic level, a Manual Winding Watch is a mechanical timepiece that stores energy in a coiled mainspring. Unlike an automatic watch, which uses a weighted rotor to wind itself as your arm moves, or a quartz watch, which relies on a battery, the manual movement requires you to turn the crown by hand. When you turn that crown, you are physically tightening a spring. This s... https://watchshopbd.com/blog-details/36