is about a zillion times better, nicer, more important than any Nautilus. The 5712 and 5980 may be hot today because the demand is big but don't forget that one day there will be 'enough' of them. Want an example ? Look at the prices for the Rolex green s...
lovely Breguet tourbillon by the way. Strange, having such a collection and not being able to get a 5980 or 5712 pretty fast. If you bought them from an AD I would start looking for another AD