Apparently I didn't start the trend of wearing two watches at the same time when I had a Withings Pulse O2 on my right and a Rolex on my left (starting in 2014, but I replaced the Withings with a launch day Apple Watch).
"Double Wristing"
https://www.hodinkee.com/articles/doing-the-two-wrist-tango-with-the-apple-watch-series-4
"Double Wristing"
https://www.hodinkee.com/articles/doing-the-two-wrist-tango-with-the-apple-watch-series-4