AMC’s The Walking Dead featured the most valuable watch ever sold. I, like everyone else, was watching AMC’s golden-child franchise series The Walking Dead last night. It was the season 7 half-season finale.  In between tweeting about Bitcoin futures and complaining in general, which, let’s be honest, is the real purpose of the internet, I noticed something interesting. Rick is wearing a Rolex. Upon first inspection I just noticed it was a Rolex Daytona, their mainstay chronograph first produced in 1963.  I initially thought it was one of the lesser, modern models, such as 116500LN and 116520.  I know what you’re thinking, big deal.  It isn’t, I agree.  I’ve lost…