What you want should be the watch button battery, right? In the Tao Bo Plaza (Jilin Street and Jiefang Avenue intersection, Jilin City, 30% of the cars are passing through this) Casio watch counter, and quality assurance, my watch battery is all in that change.
If you want to buy more specialized button batteries, you have to go to the old train station nearby.
If you want more specialized button batteries, go to the old train station.