The ones who used to make clockwork watches just before digital watches appeared in the 1970s. They failed to invest in time and lost a lot of market share. To be fair, unlike Kodak and cameras, they weren't completely wiped out, and the high-end precision Swiss watch is still a thing.
Incidentally, recent sales have apparently been massively affected by COVID, as many of them are sold in bricks-and-mortar boutiques that customers are no longer visiting.
[Edit] - this is the queue of companies who failed to consider a rival disruptive technology.
> Incidentally, recent sales have apparently been massively affected by COVID, as many of them are sold in bricks-and-mortar boutiques that customers are no longer visiting.
I'd argue not having to go into an office and "dress up" has impacted the watch market as well. If I'm at home all day, I don't really need a clock on my wrist.