Is the Swatch Sistem51 the greatest $150 watch in history? — Quite possibly so. This is admittedly saying a lot and, of course, for the pedants out there, we’re talking 2018 dollars. Obvi, in the early 60s, you could get a Don Draper Omega for not much more than $150. But on to today’s topic. I’ve spoken at length about Swatch…