I like m gw4 and use it a lot. In Sport area it is not even close to Garmin, if this is noticeable for you -friends on your needs. Google map, Google keep, nice watchfaces and complications, possibility to take and make calls, communicate with notifications (like mark a task as “completed”, coming soon WhatsApp, kommot and gymrun - a good package for me.
There are people who discovered and treated early enough some heart related issues using ECG feature.