The Rolex Oyster Perpetual Date GMT Master is a prominent member of the Rolex Professional Watch Collection. Created in partnership with the now-defunct Pan American Airways of the United States specifically for their pilots and navigators, it debuted in 1954. Our mission is to provide you with the finest versions available, offering the most impeccable replicas on the market. Detailed product specifications : Factory made: EW Factory Material: 904L Stainless Steel Case size: 40mm Glass: Scratch resistant sapphire Water resistant: 10atm 100m Movement: 3186 Rolex clone movement Attention: Version for left-handed people