A few more details about the upcoming Pixel Watch have surfaced. The watch is reportedly coming with an Exynos 9110 (a 10nm chipset from 2018), but it is supposed to have a co-processor for power efficient operation in standby mode. This co-processor was identified as a Cortex-M33 by Max Winebach. The power draw of the M33 is measured in micro Watts, so it should be able to last a long time running off the 300mAh battery. Co-processor aside, the Exynos 9110 will be hooked up to 1.5GB of RAM (that is a lot for a watch) and 32GB storage. Another interesting note is that the Pixel wearable...
Source: https://www.gsmarena.com/the_pixel_watch_will_have_an_lte_version_cortexm33_coprocessor-news-54400.php
