BERGEON 8008 Rubber Ball to Open and Close case Backs 65 mm black white Open

Amazing! Who knew a simple tool that is so cost-efficient for it’s purpose existed? Also, love the 8-ball design! Works great, fits perfectly! Read more

Seems small, but does the trick. Exactly as described and works. Read more

I had trouble opening an air tag to change out the battery. Tried everything I could find on YT and doc google. Finally I found a rubber ball that usually opens watch battery backs. I looked on Az and decided this one which cost a few bucks more but felt it was not a knockoff. Get it! Great price. Quality ball. And you can open any and all air tags, watch backs, etc. would buy again. Read more

I never thought a ball would have so much Tori. Works great for opening watch backs! Read more

I didn’t think this would work but it does Read more

I need to regulate my Tudor Blackbay since it started running slow. I tried other die-type openers but none would grip the teeth on the case back, so I thought I'd try this before going to a watch maker When I ordered this I didn't think it would work removing the case back off of my Tudor but it did! And with little effort. I was amazed. Very easy to use. I highly recommend Read more

Not very effective watch case opener. Maybe I'm not using correctly, but difficult to open. I use a tool Read more

Great item used to open watch after purchasing a kit that was 10 times this value which couldn’t open this particular watch. This item which is great quality and value and easy to use. It was effortless to open the watch after purchasing this item. Left no scratches on case. Easy to store. Read more