Watch batteries these days are great! They can keep your watch ticking a long time – about two to five years, depending on the watch and how much energy it needs. But, like all batteries, they eventually run out of juice and need to be changed. Waiting too long to replace a dead or slowing battery is a big mistake since dead batteries can end up leaking and causing damage to the movement. Once you notice a weakening battery, get it to us soon. We have both the expert tools and the expertise to get the job done right and in most cases it’s done while you wait.