This is a very thorough review. It very much recognizes that this is a 1st generation device, most suitable for early adopters. There's a ton of detail about both the hardware and software, but here's the TL;DR of the conclusion:

I have no reservations in saying that it’s the best wearable I’ve ever used. However, at the same time I find it hard to recommend this first-generation Apple Watch. It’s clear that there are far too many obvious areas to improve upon, areas where Moore’s law will help to dramatically improve the experience.

In the months since I first used the watch I’ve ended up wearing it every day. I distinctly noticed its absence when I forgot the charger on a trip. I don’t know if Apple will succeed in convincing others of the utility of a watch, but they’ve definitely convinced me.