It all depends what they have it set at. And what the local rules are. If its set at max sensitivity fillings will set it off. And some have a random 1 in three to five setting to comply with DFT regulations on random searches.
Its not a very wise Idea to discuss what can and can't get through the detector on an open forum. But the word on the street is that Ti watches don't give as much hassle as Stainless ones. They still set the wand off if that gets used on you.