Today I received this email from Nick Hacko:

“Hi Robert-Jan,
Nick Hacko here

I’ve just finished a web article that may be of interest to your
readers. Have a look at:
http://www.clockmaker.com.au/rolex/5513bracelet.html    

Take care and keep up the good work!

Nick
(Sydney)”

A very interesting article, especially for those who think their Rolex need no attention because it is a Rolex. The tips in the end on taking care of your precious watch is also quite useful. Enjoy!