In the past four months, I've become heavily reliant on my S3. There are things that drive me mad... trying to reply to a text on the watch. 3rd party complications not refreshing until the app is opened, and all sorts of inconsistent results with audio and the Nike Run app (Music plays in AirPods, app time updates audibly heard from watch speaker, not AirPods 40% of the time). But, it's a good device. In a jam yesterday, I was answering a call on it, and the guy on the other end had no clue I was talking to the watch, and not in to my phone upstairs.
I rely on it HEAVILY for interstitial glucose tracking, using Dexcom (Their app is useless, again complication refresh issues on the watch), but with help of an iPhone app called Sugarmate, detailed information can be pushed to the calendar, and displayed on the watch at all times... with better information than Dexcom. I'm consistently checking the face of the watch 60-100 times a day, without having to open my phone, and my T1D control is the best I've ever had in 34 years.
Just... the workaround preventing apps from refreshing their complication runs in to a hard stop after 24 hours, and requires my iPhone to be powered off and on to resume.
I'll live with that for now, but really would like the complications refresh issue addressed in a future WatchOS update to make this THE device to own.