This tool s opening is much too big to use it what it is intended for, i.e. removing canon pinions. With an opening at its smallest of 1mm, i cannot use it for removing canon pinions from most wristwatches. Maybe it is usefull when working on pockectwatches, however for wristwatches it is completely useless. After a decade of watchmaking and using the presto 2 i decided to buy this on, but that really was money thrown away, useless for vintage / antique wristwatches. So 100 euros for a bergeon tool that i cannot use where it is designed for, what a waste. They should hire some watchmakers at bergeon, so more of those useless tools can be adjusted, it is not the first time i buy new bergeon tools that are useless. I prefer the old school bergeon tools from a few decades ago, they were quality and worked as they should, can't be said so of the more newer tools.Read full review
Verified purchase: Yes | Condition: New
I’m not sure what happened with this product, but the opening of the teeth to grab the cannon pinion is designed too large, making it unable to actually extract the cannon pinion on virtually any wrist watch. The older tools had properly sized extractors, but this model does not. It’s kind of baffling honestly.
Verified purchase: No
A nicely made tool, but for some smaller pinions it won't grip them. Easily fixed by filing the jaws slightly with an abrasive wheel designed for a dremmel type tool (just the wheel, you don't need the dremmel too!) for more info, search on YouTube for: e1H0FC_q900 and then read the top comment (top comment at time of writing!)
Verified purchase: No
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