Apple's Smartwatch outsold all Swiss watchmaker brands combined by 3 to 2 in 2019. Younger consumers prefer smartwatches, a shift that has continually driven sales away from Swiss watchmakers over the past five years. Still, considering their luxury status, it's unlikely that Swiss watchmakers will disappear overnight.
https://www.notebookcheck.net/The-Apple-Watch-handily-outsold-all-Swiss-watch-makers-in-2019.453212.0.html