Rolex GMT-Master Men’s 40mm 6542 Automatic Oyster Bracelet: A Timeless Classic The Rolex GMT-Master Men’s 40mm 6542 Automatic Oyster Bracelet is not just a watch; it’s a piece of history. Designed for the modern traveler,… Rolex GMT-Master Men’s 40mm 6542 Automatic Oyster Bracelet: A Timeless Classic