It seems that Silvio Berlusconi (the president of Italy for those who don’t know) wears the most expensive watch of all presidents, a 540.000 USD Vacheron et Constantin. Although I also know he wears Eberhard once in a while πŸ™‚

Anyway, this Russian paper writes about a few presidents and ex-presidents and their watches.

http://english.pravda.ru/main/18/90/361/14979_watch.html

Thanks to Jack Freedman for pointing out the URL on WatchRap.