I was hoping to ditch my fitness tracker and have the Huawei watch be my single wearable, but the heart rate monitor is not up to the task. It does give a pretty accurate reading for me, but only at rest. I've tried exercising with it a few times and the monitor just stops recording after a few minutes. Sigh. I've gone back to using the Garmin Vivosmart HR for workouts.
As for step counting, the problem is exacerbated by being left handed. Doing things like brushing teeth, eating, etc. will add bogus numbers to my step counts. Since most, if not all, watches are designed to be worn on the left wrist this is a problem for us lefties. I started wearing the Garmin on my right wrist and find the false step padding to be less of an issue.
Bottom line is I'm still pleased that I got the watch, it's just not as useful as I was hoping for. Looking forward to the Marshmallow update...