It really works if you follow the instructions to the letter:
Ensure you are on a laptop or PC with internet access.
Put on power watch on your dominant arm.
Close the curtains. The light will affect your ability to charge the watch.
Go to pornhub.
Note: Should your powerwatch 2 lose power repeat the above instructions. You might need to repeat the process at least 5 times a day to ensure accurate time is displayed on your powerwatch 2.