Normally if you save up for watches, most of the time the funds will go somewhere else when the funds get closer to acquiring your dream watch.
Willpower is important.
Or there's always a way which is what I am doing now, "One In One Out"
Since we can only wear 1 watch at a time, if there are redundant pieces, just sell em off so that other ppl can enjoy and after selling, just add abit more to buy whatever tickles my fancy.
That's me, it doesn'y work for everyone else though...