If your watch has stopped it may be time to go and look into the possibility of getting a watch repair done for your time piece. Look into what it will cost as well as how long it will take in order to get he watch up and running again so you can wear it.
When you are looking into getting a watch repair you may want to check and see if ti is a simple battery replacement that may need to be done. Take it to a local shop and ask them about battery replacement to see if they will do it for you or if they have the battery you need.