This is a mechanical watch;Power by winding spring manually or self-winding(no need battery). So how to use mechanical watch? 1. When you first wear it;please wind the watch by turning the button on the side of the watch;until it is full. 2. By taking the button out slightly;you can adjust the time;then push back the button. 3. If you leave it still for a long time;please swing it lightly for a few minutes and wind-up by several laps. At this time;it will work normally. 4. If still have any questions;please contact us first.
ABOUT BRAND: Forsining is a division of the Guangzhou Ruixue Watch Company Limited. (Forsining watch company limited). Their manufacturing plant is located in GuangZhou China and this company s products are marketed under the brand names;Forsining;Winner and Jaragar