It looks like the new Google's Pixel 4 watch comes with yet another incompatible change in charging technology. This is a ridiculous situation. The original Pixel Watch used one type of wireless charging. Then the Pixel Watch 2 & 3 removed wireless charging and swapped to a different charging mechanism. And now the 4 has changed again. So three different charging cables in under three years.…
No mention if it is waterproof so i bet it isn’t. Modular and waterproof are tough to achieve simultaneously.
Edit: see below. It does not yet have a waterproof rating but is not currently submersible.