A watch can become magnetized over time from exposure to everyday objects like phones, computers, and magnets. This magnetism can cause the watch to run fast, slow, or even stop working altogether. Demagnetizing a watch is a simple process that can be done at home with a few simple tools.
There are several benefits to demagnetizing a watch. First, it can improve the accuracy of the watch. A magnetized watch may run fast or slow, which can be frustrating and inconvenient. Demagnetizing the watch will restore its accuracy.