There are generally three types of clocks and clocks, one is a plastic wall clock, the other is a metal wall clock, and the other is a frameless wall clock. The first two types of wall clocks require the outer frame of the wall clock to be removed before the clock’s hands can be further removed to change the movement of the wall clock. The movement of the plastic wall clock is fastened and the movement can be released by gently prying the clasp. The metal wall clock has The movement is fastened and locked with the copper thread of the movement. If the nut is tightened, you can unscrew the nut. However, some wall clock movements may stick with EVA on both sides. Pay attention, the wall clock movement is removed After it’s down, you can replace it with a good movement, and then install it in the reverse process of disassembling the wall clock.