Reliability under extreme conditions, this is Rolex's latest 42mm Explorer II ref 226570, with black Chromalight dial. 

Presented with its Rolex box, Explorer II booklets, both swing tags, Harrods bill of sale, and UK supplied Rolex international warranty card dated August 2023. This watch is under Rolex international warranty until Aug. 2028. 

The dedicated bright orange hour hand on this Explorer II makes one rotation of the dial every 24-hours, following the track of the solid 904L steel 24hr-bezel. 

Originally created for cave divers and explorers to avoid becoming disorientated underground, this sporty Rolex became the adventurers watch of choice. Powered by Rolex's updated self-winding calibre 3285, with high performance Paraflex shock absorption, instantaneous date change, and 70hr power-reserve. Waterproof to 100m.