Chosen Solution
The Apple watch 6 is just 1.5yrs old but after a 20-30 open water swim (which I occasionally do this in a pool or sea) the watch was not turning on after. Tried charging it to revive because I thought it’s just batt empty but nothing happened. It’s been two weeks now I noted a weird ‘bubbles’ inside the screen. Thanks for the answer!
I think its safe to say your watch has drowned! Did you get the AppleCare+ service contract? If you did I would visit an Apple Store to see what they say, they will pro-rate the repair (replacement) costs a bit. Otherwise it’s time for a new watch and best not to going swimming with it. What likely happened is the display or sensor plate pulled away a bit from a bang which then let the water get inside.
