Um. You know we're talking about running actual workouts, right? The heart rate monitor is 100% active while you're in the middle of a workout started on Apple Watch.
Actually, while I did start this thread to point out how the Other workout gives you exercise and activity credit for doing nothing, my frustration is with Apple watch's activity tracking in general. So as far as I'm concerned, I'm happy with discussing any aspect of watch activity tracking.
Watch was also 148. It is almost always within 3BPM of my Garmin 620. I am completely amazed at how accurate the optical HR monitor on the