The Explorer I is a mountaineering watch that ensures high legibility even in tough conditions – its "3-6-9" Explorer dial has attained mythical status in the Rolex sphere. A man’s watch, it is slightly larger than an Air-King with his diameter of 36mm but above all it is much more exclusive. This one is part of the last serie M serial with the full serial engraved in the dial ring Watch delivered with box and papers from 2009!