Polar Unveils Vantage M3, A Compact Alternative to Apple Watch for Multi-Sport Athletes. The new watch, priced at $399, offers advanced features such as ECG, SpO2, and skin temperature sensors, as well as support for over 150 activities. Its compact design weighs 53 grams and has a stainless steel bezel.

Source: https://www.zdnet.com/article/this-399-polar-may-be-the-best-apple-watch-alternative-for-multi-sport-athletes/#ftag=RSSbaffb68