The Pixel Watch 3 is expected to be unveiled by Google at its hardware launch event on August 13, and ahead of that it's now been certified by the FCC. This process has included both the Watch 3 and the bigger Watch 3 XL - for the first time, this year Google will offer two size options. The smaller one is expected to be 41mm, with the larger model being 45mm. There will be LTE-capable models, and the Pixel Watch 3 will support UWB too. Of course, Bluetooth, Wi-Fi, GPS, and NFC are on board as well. Google Pixel Watch 2 These are all the details that have been revealed through this...
Source: https://www.gsmarena.com/google_pixel_watch_3_passes_through_the_fcc_in_two_sizes-news-63620.php