Mine has been telling me I got very low VO2Max of 26 every day, for years. No matter if I work out or do nothing or go on a 5 mile walk or whatever.
Let's just say I take Apple Watch is the gimmick it is. Nice for notifications and setting the timer for cooking though
Care to elaborate why you think this reading is so wrong? Vo2max has a significant genetic component, and it doesn't improve unless you actually push your anaerobic threshold, i.e. interval training and long distance running. It doesn't improve by "going on a 5 mile walk or whatever".
Mine underestimates my VO2 max to be around 40 which is much lower than what I calculated myself. Turns out the Apple Watch thinks my resting heart rate is much lower than it actually is, explaining the difference.
