Look at this shit (first paragraph of body of article):
"Automatic watches are admired for their intricate mechanics and timeless appeal, but even the finest timepieces can sometimes run fast or slow. If you’ve noticed your automatic watch gaining or losing time, you’re not."
First search result on DDG. Thank you, automatic watch expert and real person Hnin Oo Thazin. We may need a whole ass new internet.
https://mtscwatch.com/blog/why-your-automatic-watch-runs-fast-or-slow-and-how-to-fix-it
yeah so thats just what they're called. its the parlance for a watch that winds itself. you used to have to wind them every day of course, then these came along and "automatic winding watch", shortened to "automatic" has always been the term industry and marketing have used. sometimes they are called self-winding, but Ive heard "automatic" nearly every time. there's also quartz movement, which uses a battery