The V810 (V850) replacement for Polar’s successful V800 triathlon watch has been semi-confirmed for Spring 2018 by Stan Brajer, SVP Sales and Marketing (Polar, US)
Source: Interview at http://www.babbittville.com/radio/ just after 11 minutes
I think it will be reasonable to expect a high-res colour screen and 6-LED oHR. but what else? thoughts (here) and below if you want to comment.