iFixit:

Inside we found some surprising display technology that was probably a huge pain to manufacture at scale, likely causing a cascade of delays. When Apple finally unveiled it last month, the watch had no firm release date, a red flag that usually signals production trouble. (If you’re wondering how a bunch of ex-Apple engineers occupy their time nowadays, read on—this is exactly the kind of expensive manufacturing snafu they’ve banded together to solve.)

Follow the headline link for an interesting read, or just watch the teardown below. Both are full of closeup images and insights. My kind of fun.