Tools for unscrewing and disassembling a watch

Unscrew and disassemble a watch — open the backs safely

Discover our selection of tools for unscrewing and disassembling a watch : opening clean screwed or clipped cases without scratching the case, whether for change a battery or access the movement of an automatic watch.

Which tools to choose?

• Adjustable case opener wrench or pliers for screw-on cases.
• Case opener knife for clip-on cases.
• Rubber opening ball for loosening a loose bottom.
• Case holder and soft mat for scratch-free stabilization.
• Replacement bottom gaskets for watertight reassembly.

Quick instructions

1. Protect the lugs and place the watch on a stable support.
2. Screw-down cases: Set the case opener, press flat and unscrew counterclockwise .
3. Clipped bottoms: engage the blade in the notch, lever with control.
4. When reassembling, check the seal then close until it makes firm contact without forcing.

Best practices

• Never force it: if blocked, a slight heating of the bottom can help.
• Keep the tool flat to prevent slipping.
• After closing, water resistance test recommended for watches exposed to water.