The Pixel Watch appears to be on track for an early May launch, even if it does not make it shelves until the autumn. While only one Pixel Watch has leaked so far, a recent Bluetooth SIG listing suggests that Google plans to release at least three model variants.
https://www.notebookcheck.net/Google-Pixel-Watch-Three-model-variants-certified-ahead-of-Google-I-O-2022.616156.0.html