Removing the back of a watch is a necessary step for various purposes, such as replacing the battery, repairing the movement, or customizing the watch. The method for opening the back of a watch depends on the type of back it has.
There are two main types of watch backs: screw-down backs and snap-on backs. Screw-down backs are held in place by small screws, while snap-on backs are held in place by a pressure fit. To open a screw-down back, you will need a small screwdriver. To open a snap-on back, you will need a watch case opener.