mechanical chronograph – possible to use it too much?

I was doing some background reading about my new Hanhart 417ES. I was reading about French Type 20 chronographs, and I read (here) the original specification said the chronograph should be able to perform "300 minimum chronograph operations before requiring a service".

I recently acquired my first mechanical chronograph… but I had a quartz one (Tag Heuer) for MANY years and regularly used that chrono…

mechanical chronograph – possible to use it too much?