Steel Rolex Oyster Perpetual GMT-Master 2 model reference 116710 BLNR. Automatic chronometer movement. Black dial with maxi luminous hour markers and luminous hands. Black and blue ceramic bi-directional bezel. Polished and brushed steel case, 40mm diameter with larger winding crown, water resistant to 100 meters. Steel Oyster lock bracelet with comfort extension link. Box and papers dated July 2013. Our reference S18044.