A watch back case opener is a best case removal tool for repairing watches or changing batteries, maximum opening 50mm. You could adjust two pins according to the distance of the watch back case grooves and clamp two pins into the watch back case grooves, rotate this watch case opener, thus the watch back case will be removed.
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Tips: Different Types of Watch Back Removal Tools
There are many reasons why you need to open a watch case back, for example, the movement and watch hands are damaged or the battery needs to be replaced. As we know, opening different watch case backs need different watch back removal tools. Here are different types of watch back openers.
Watch case opener, 2 pins: it can be used for opening screw-down back with a watch holder, maximum jaw opening is 50mm/53mm. You could adjust the pins according to the diameter of your watch, which is easy to open the watch back.
Watch case opener, 3 pins: this is the most popular watch repair tool for watchmakers because it has three pins to clamp the watch case back tightly without slip and scratch, which opens case back easily. The maximum jaw opening is 34-55mm.
Watch case back opener knife: it is used for prying Snap-on back along with the gap of the back. Notice that don’t open the watch back by force to avoid scratching or damaging the case back.
Friction Ball: it can be used for opening screw-down back as well, which is convenient to use with economical price.