Description: Rolex Explorer 214270 Pre-owned Rolex Explorer ref 214270 (2013). When the Explorer debuted in the 1950s, it adopted a more understated approach to the tool-watch aesthetic. It traded the rotating bezels and robust cases of other collections for a 36mm Oyster case with a smooth bezel. It would take decades for Rolex to upgrade the series to a larger case, which it did via the 39mm ref. 214270 you see here. Two variations of this watch hit the market: one