Thanks for the warning. I bought the extended warranty but need to check that I'm still covered in case of any disasters. The last time I did an update of my watch OS I thought it had bricked. It seemed to stall out and took forever. I just left it alone. It seemed to finish but the watch wouldn't turn back on and there was all kinds of crazy behavior like it was having the equivalent of a nervous breakdown before it suddenly normalized.My "Series 0" got bricked and Apple is being difficult about doing anything about it because its out of warranty.
Edit: Mobile wanted to post the whole article, fixed it.
I've had my watch try to imitate a brick before for no apparent reason when putting it on first thing in the morning after a night on the charger. I never figured out what was going on with it because it would eventually turn back on and run fine like nothing had happened. 😕 It's a peculiar device but overall I find it very useful and a great match with my SE.
Good luck to you and everyone who needs service.