How can disassemble an Eta 2894?

In this video a Chinese watchmaker show how can we disassemble an ETA 2894.

This Movement used from big Watch industry Brands like Tag heuer Breitling Longines Omega and many many more.

Please see the next video.

Thanks

How can you change a Seiko Kapacitor

Many Of Seiko Kinetic watches and Citizen Eco Drive after 10 years of non stop work the energy capacitor need Replacement.How can you know if the capacitor need replacment?In seiko you can charge the watch in full energy and push the Button and if the second hands go to the 10sec means that the capacitor need replacement.

You know the full charge of the kapacitor is 45 sec indicator.

The next level is read the first 3 letter to see which capacitor need the watch.You can find in letters of Ref in Back case.The first letter is M