Jaeger-LeCoultre

I am interested to know what the 1000 hours tested really means. One thousand hours is a lot of testing and I wonder what takes place during this time. In my case it did not stop the crown coming out or the ceramic ring falling from the bezel. I can't qui... 

You will have a lot to read. As for the issue you had on your watchn it is sad to hear, but I am sure JLC will solve it soon, and perefectly. Best, Nicolas

Thanks - and yes the watch was fixed promptly and came back in a nice new presentation case. Do you by any chance have a link to the reference material that describes what takes place during the 1000 hours? I like reading about watches, so it should be en...