We need just a little more information.
It seems you have a Weishi 1900 great.
please head over to a big thread on this very subject here .....
https://www.rolexforums.com/showthread.php?t=786299
We can all guide you through the entire simple process of data collection and analasys to know what is ir is not wrong in your watch's case.
It helps to know date of purchase. Model no Movement model.