activity tracking
3 concentric circles -> right: -» dbl-right: | down: https://www.zdnet.com/article/a-year-of-closing-my-rings-how-my-apple-watch-kept-me-moving-all-year/
heart rate
sleep
garmin watch
apple watch
samsung watch
Samsung Galaxy Watch 5 Pro, 45 mm, 469 euro. around 48 hours battery life