Garmin fenix 3 GPS Watch Wrist Digital Compass Altimeter Barometer Accelerometer Alarm 31.25 MB 1.2 218 x 218 Bluetooth Silver Red Running Tracking Health Fitness Water Resistant - Office Depot
After calibrating the barometer the trending arrow is pointing down 15min after every altimeter calibration - fēnix 5 Plus series - Wearables - Garmin Forums