The watch holder for the bicycle could be a little better because it does not quite pass Shaped fit on a bicycle and some sliding off the perimeter of the clock with the level of support. But it is now not directly Problemmatisch.
Furthermore, the battery can also be renewed by the chest strap and that's in the trademark of Polar models partly impossible, and then the whole must be ordered again.
Really acute heart rate monitor could be only slightly cheaper around 25 euro then the heart rate monitor would be justified.