Earlier quoted context omitted.
The owner of a mark with a sufficient reputation can take action against dissimilar goods and services where they're riding on the goodwill of the mark of course so TMs are not completely limited to their classes. Rolex could sue me if used their marks on a good which they weren't registered in if I was trying to take unfair advantage of their mark, tractors for example. Whilst it's highly unlikely in this case that…
In Australia, McDonalds lost a case when they tried to stop McWilliams selling a "Big Mac" 2 litre bottle of wine, because no-one would mistake it for a hamburger. ( http://www.internationallawoffice.com/newsletters/detail.asp... )
This is not the case in the EU, where the mere act of taking unfair advantage/causing detriment is sufficient for a TM owner to take action, even where there is no likelihood of confusion. Likewise, in the US, a TM owner would also have an action for TM dilution which does not require confusion.