Some say that Enicar was the first watch ever to been taken to the top of Everest and not the Rolex Oyster that Sir Edmund Hillary worn on his expedition in 1953. Because of the expedition not being documented properly Enicar could not claim to be the first to the top and tried again with the team of 1956. - źródło. In 1953, the not-yet-Sir Edmund Hillary became the first man to summit Mount Everest along with expedition partner Tenzing Norgay. And he did so with a Rolex on his wrist, an Oyster Perpetual that would prove to be the ancestor of the Explorer. - źródło