Two-Tone AAA Rolex Explorer replica watches. That is a combination of four words that I would not at all have expected to say six months ago. And when I first saw them back in April, when Rolex dropped the unexpected ref. 124273, I’ll admit I was caught off-guard. An Explorer with gold? Isn’t that antithetical to the Explorer’s no-nonsense spirit and disrespectful to the legacy of Rolex’s least-changed sport watch? It might very well be, but it’s also the recipe for a watch that I immediately knew I needed to get on my wrist and test for myself. It’s easy to…