I was really upset of dimmed, dark Always on display on my Galaxy Watch. But FINALLY I found a solution - app which can make AOD on full brightness! :) : r/GalaxyWatch
Latest Samsung Galaxy Watch 4 update breaks AoD function for some
Max Weinbach on Twitter: "My watch face setup on Galaxy Watch4 Screen-on vs. AOD https://t.co/bq9tBkBcUy" / Twitter
Galaxy Watch 5 and Watch 5 Pro review: The best Android watch gets a modest update | Engadget
Galaxy Watch 4, 5 5 Pro: How to Turn 'Always on Display' ON or OFF (3 ways) - YouTube
AOD shift to prevent screen burn-in on Samsung Galaxy Watch 4 by Bubble Cloud Watch Face - YouTube
Solved: Galaxy Watch always on display not working - Samsung Community
Best AOD mode I found (Carbon V4) : r/GalaxyWatch
Samsung Watch Active 2 "Always On Screen Display" Battery Life 40mm (Real World Test Result) [4K] - YouTube