installa anche l'orologio shm mod
I suggest creating a thread of the problem because people wouldn't be able to see and help if it's in here, in other words, you're posting in the wrong thread
Force stop and clear Samsung Health, and tap on version, 3 things you didn't mention so I am assuming you didn't do
It's better to reset but i suppose you could try this:
A tutorial on how to pair Android Wear smartwatches to a new phone without factory resetting. Also useful if you flash a custom ROM and don't want to reset!
www.xda-developers.com