Hey @yurek99! If you go into the "Alti-Barometer" app through the watch, when it's on the "Altimeter" screen you'll see a last refreshed status at the bottom. If that hasn't been refreshed for a while, the watch will either assume you're much lower than you currently are or much higher. Scroll over to the 3rd page in the app (past the "Barometer" page) and you should see a list of settings; click on "Change" and make sure you turn on "Auto refresh". Does it help?
