references on calvin yeung

hi guys,

do you have any hints for me about this guy?

br marcel

Marcel:
Check google, hard to tell if he is good or not:
http://forums.watchnet.com/index.php...to=91645&rid=0
http://www.rolexforums.com/showthread.php?t=35376
http://forums.watchnet.com/index.php...8&rev=&reveal=

If you ask me, I would be careful. Feel free to PN me.

i would be very carefull!!!!!!
if i had read this details!!!