Apple has made few changes to its Watch Series over the years. The original model had plenty going for it though, so that does not necessarily mean that Apple has fallen behind its competitors. On the contrary, the Apple Watch remains the best-selling smartwatch on the market, and by some distance. The Watch Series 5 is an excellent smartwatch too, but you may be taking a trip to the charger sooner than you may like.
https://www.notebookcheck.net/Apple-Watch-Series-5-Smartwatch-Review-It-can-do-more-than-any-other-smartwatch-but-just-not-for-that-long.441199.0.html
"The screen shows good response rates in our tests, but may be too slow for competitive gamers."
Good to know that this watch screen will not make an ideal monitor for competitive gamers!