winner luxury women automatic mechanical gold watch unique heart shaped hollow dial stainless steel strap (full gold) winner sold by good-watch. this watch is a mechanical watch that can be used not only for winding, but also for everyday activities of the wrist. you need to wear it during the day. if you don't wear it, you need to wrap it. once the wind is up, it can work for 10 to 15 hours. if you put them on the table for a long time, it will stop working. shake it and you will find it can work again. <br> rotate the mechanical watch by turning the crown clockwise 15 to 20 full turns per day. more than 20 times may cause damage to the watch mechanism. <br> comfort: the strap is soft and comfortable and environmentally friendly. <br>