I've just googled the reference and there is only one result and that is the Christies auction page. It's interesting that there doesn't appear to be any other information on the internet about this reference.....
Sorry, perhaps you misunderstood. 5000 Euros for a Monaco in white gold seems 'cheap' as in 'not-expensive'. Seeing as plenty of Monacos are £4000 and over...
If this is green, then it's awesome.
Again a Japan-only limited edition.
Ocean Road Japan Limited to 600 pieces, ref. CV201F
http://www.ebay.com/itm/172584781162?_trksid=p2060353.m1438.l2649&ssPageName=STRK:MEBIDX:IT
Yes, that one is Japan only