ALPS Men's Classic Skeleton Hand Wind Automatic Gold Watch with Brown Leather Band Relojes Mec&aacute;nicos Watch Brand :ALPS Movement : Hand Winding Classic Luxury Design, Good Gift Choice How to wind a mechanical watch :A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically. It is driven by a spring (called a mainspring) which must be wound periodically. ( Pls read the description the steps) Any question, pls feel free to contact us when receive it ^^