MMOBIEL Watch Case Back Opener - Repair Tool for Battery Replacing and Repair - Professional Watch Back Remover Tool - Adjustable Remover Screw Cover Press Closer and Opener

Battery dead in my ice watch and could not open back as so tightly screwed on, with this tool was a breaze to open and easy to use, great value and did the job.

Easy to use and good delivery. Used the tool twice. It has a tendency to be a loose-fitting on the watch backplate so exact fitting is essential. The adjustment screw means it gets loose and will allow lugs to slacken off - otherwise useful and reasonable price.

Managed to remove the back off a stubborn watch that clearly hadn't been opened for years. Just make sure the watch is on a firm surface and the tool is supported well because, as others have mentioned, there is quite alot of play in the adjustment mechanism.

While this works the quality is somewhat shocking, the centre screw (just below the thumbscrew in the picture) wont tighten (all 3 screw were loose) and falls out. This doesn't stop the tool from working but for a new item it's pretty poor.

Wobbles all over the place. Couldn't get the thing tight enough to remove the back of my watch. Absolutely useless. Resorted to a Stanley knife blade eventually.

Good product, needed this to remove the rear casing from some of my larger watches. Can be a little fiddly to use at first since you are only using two points of contact but once you get used to it, it's a breeze to use.

Easy to use. Robust. Worked on both my watches and took no time. Both watches are large 48mm diameter. Great tool.

This item is rather flimsy for the job.I nearly gave up!Eventually managed to get the back off my watch, but it took a great deal of dexterity, time and patience.The mechanism has too much slack to grip firmly, hence low rating.The only saving grace is that it was cheap.