Is there any watchface that displays the seconds and the heartrate at the same time?

What I notice and it's very disturbing is that for some watchfaces the seconds are only displayed for 10 seconds or less. 

Also the heart rate for these CIQ watchfaces is not updated every second!

The fr45 doesn't support what many call "1hz" or "seconds all the time" for CIQ watch faces.  Where part(s) of the screen can be updated every second.

The way they work on a fr45 is that the screen gets updated once a minute, but after a gesture, will update every second for about 10 seconds.  That 10 seconds is the only time you'll see the seconds display.

It's a hardware thing with the fr45, with not having a screen where only part of it can be updated and updating the whole screen every second would be a high batter drain.

I see but then how come they can update the seconds all the time for their default watch face (non CIQ)? There they update the second every second, plus show the heart rate...but they don't show the battery level

That's often been the case with other devices that didn't support CIQ "seconds all the time".  Native WF's run in a completely different way than CIQ ones do. 

In my opinion, a second hand that disappears after a few seconds is completely useless.