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. Glass: Scratch resistant sapphire : Factory made: EW Factory Slides & Sandals Case size: 40mm Glass: Scratch resistant sapphire Slides & Sandals Slides & Sandals Attention: Version for left-handed people