Mens Rolex GMT Master II watch, pre-owned, 18kt yellow gold case (40mm diameter), 18kt yellow gold rotatable 24 hour bezel with black insert, 18kt yellow gold Oysterlock bracelet, black dial with luminous hour markers, 31 jewel self-winding Oyster Perpetual chronometer movement, quickset date, independent 12hr hand allowing simultaneous use of a second time-zone, special Oyster case with shoulders to protect the triplock winding crown, scratch-resistant sapphire crystal, water-resistant to 100 meters.