Rolex Explorer II Ref. 216570. Automatic Rolex 31287 caliber movement. Steel 42mm case which is water resistant to 100 meters. Paraflex shock absorbers, non magnetic parachrom hairspring. Black Maxi dial with applied luminous hour markers, third Orange hand for second time zone which has returned to the arrow shape and color of the original 1971 model. Box and papers dated May 2015. Rolex service papers dated January 2018.