You can check for the battery bug. Just-me-for-now posted:
On your iPhone, open Watch app. Click on General and scroll down to bottom to diagnostic logs. Click. If there are problems with your watch, this is where the information is written that developers want to access. This comes from years of being a tech analyst. lol. Open one. You can see at the top of the log that it is on 10.1 and the build should be (21S67). At the end of the first bracket of information you will see bug_type and 298. This seems to be the same bug that was in 10.1 beta two that was patched in 10.1 beta three.