Google has announced the dates of this year's I/O Developer Conference, which returns to the Shoreline Amphitheatre in Mountain View, California. Google I/O 2022 will start with a live broadcast, which Google has used to present new products in previous years.
https://www.notebookcheck.net/Google-I-O-2022-Event-dates-announced-for-possible-Pixel-6a-and-Pixel-Watch-showcases.608803.0.html
pixels being priced cheaper than equivalent iphones, I expect the watch to be cheaper as well. $400 would be almost as expensive than the midrange pixel 4a