1. Use a special opening tool, if it is a spiral waterproof watch. The upper shell of the case and the back cover are threaded, and the upper shell and the back cover are tightly screwed depending on the function of the threads. Watch glass is rolled in with a tool, relatively tight. Waterproof washers (mostly made of butanogen rubber) are placed in the upper handle head and the place where the back cover and the upper shell are joined, so it can play a certain waterproof role.
< p >
2. The universal watch opener can open a variety of watches of different sizes and different patterns. The Angle of each buckle can be changed, and the distance can be adjusted by adjusting the handle and the adjusting disc. The universal watch opener has several different shapes of buckles, which can be changed according to the four convex patterns of the back cover of various watches.
There are many ways to open and close the back cover of the watch, but to screw the back cover and press the back cover is the most, followed by a few screws to tighten the back cover, for the press the back cover of the watch, as long as we can open through some basic tools, as long as it is pressed when it is restored, which is the simplest in disassembly.
< p >
4, if there are conditions, should also be as much as possible to use professional opening tools, there is a roughly similar to the vice of the watch opener, as long as the watch on the wrist frame, the knife edge of the watch opener aimed at the watch back cover open mouth, as long as a good grasp of the strength is easy to open the watch back cover.
Push it away with your fingers. Sleeve pressure waterproof watch. Its case is on the case sleeve pressed against the back cover. The shape of the back cover of this watch case is more special: there is a higher wall around, the movement is installed in the wall of the back cover, the table glass is directly installed in the back cover wall above, the upper shell sleeve is pressed into the table glass and the back cover is tightly covered, thus playing a sealing and waterproof role.
< p >
Extended information:
Precautions for opening the back cover of the watch:
1. To open a waterproof watch with a spiral case, you must first choose a switch head with the same characteristics and the same size as the back cover. When the finger rotates the trigger head, the force should be smooth and even, do not let the trigger head slip, wipe the back cover. If rust is found in the contact between the upper shell and the back cover, you can add some lubricating oil on this part to make it easy to open.
2. Open the thin watch, and the knife edge should be aligned with the \"insert knife slit\" on the back of the case. There is no \"insert knife seam\
3. Open the sleeve pressure waterproof watch, you should first remove the handle head and screw together on the upper section of the handle shaft, and then press down on the two sides of the upper half of the glass with the thumb of your hands at the same time, in order to press out the movement from the upper shell. It is more difficult to open this waterproof watch, and there are certain skills.