The dumb thing is this for the last time:
IF YOUR WATCH BATTERY IS DEAD YOUR PHONE IS YOUR BACKUP!!!!!
Now if your phone is also dead you are an idiot.
If your phone is also dead you are prone to MUCH, MUCH, MUCH more dangerous situations. What if you have a flat tire? Your engine shuts down? Then what? Are you going to blame the Watch too? Without a charged phone you would be SCREWED! So the lesson is make sure your phone is charged! I mean this is...