The Apple watch presents no threat to such Swiss watches, any more than a Tesla car presents a threat to Porsche.
And back in 2007 you'd be telling us the iPhone would present no threat to BlackBerry. And before that you'd have told us that the iPod would pose no threat to other mp3 players. The sheer amount of fault predictions that Slashdot nerds have made about Apple are hilarious.
And back in 2007 few people had even heard of Android phones, which now outsell iPhones 5-to-1 worldwide. Who knew?