I don't know if watchmaking is one of them, but there are a bunch of traditional crafts which are actually approaching a danger point because there aren't enough up-and-coming acolytes in the discipline to replace them, even though the craft still enjoys enough popular support to have a thriving economy.
Anecdotally, I see enough mechanical watches on wrists and in duty-free shops that I imagine there's enough of a pipeline there for at least one school. Much like vinyl records it doesn't appear to actually be going away even if it's superfluous.
(ages ago, I was in touch with a person who described himself as "the last hand engraver in New York City" when considering an apprenticeship --- couldn't commit to the move --- always wondered if he found a successor)
Anecdotally, I see enough mechanical watches on wrists and in duty-free shops that I imagine there's enough of a pipeline there for at least one school. Much like vinyl records it doesn't appear to actually be going away even if it's superfluous.