Glass: Scratch resistant sapphire
The Rolex Oyster Perpetual Date GMT Master belongs to the Rolex Professional Watch Collection. Developed in partnership with the now-closed Pan American Airways of the United States for utilization by their pilots and navigators, it was introduced in 1954. Detailed product specifications : Factory made: EW-Factory Material: 904l Stainless Steel Case size: 40mm Material: 904l Stainless Steel Wish List 0 Water resistant: 10atm 100m