A while ago I wrote about all of my case openers and I mentioned a little sticky ball available online fairly inexpensively which is supposed to be able to open most screw back watch cases. Here is the follow-up:
I finally got the magic case opening ball today and it was well, a big disappointment. I tried it on 5 watches today and I was only successful in opening one of them. Thankfully, I have professional grade tools for opening all of these watches. The ball succeeded on a Tag Heuer Link, but failed on: Rolex 31mm Datejust, Rolex Lady Datejust, Movado Chronograph and ladies Seiko 5. It would appear that if the backs are on as tight as they should be, the ball fails. My overall opinion is that my son is going to enjoy his new little ball
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