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.…
Not really relevant: power requirements would affect battery size much more than charging port size. And USB-C supports much greater power transport than the old dock connector.
Right, my point is that we want to use that space for battery, not bulky connectors.