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.
Many times a watch repair can be as simple as getting the battery replaced. In many cases you can get this done by going to a watch shop and purchasing a battery and they will put it in for you. Look into this and see if this is a service that they offer.