Rolex did an adjustment in the Oyster Date model by adding the day feature

Fast forward to 12 years later, Rolex came up with the first dustproof, airproof, and waterproof wristwatch named the Oyster. A year after its inception, Wilsdorf went all out in advertisement by having Mercedes Gleitze, an English swimmer, wear the Oyster as she cross the English Channel. After ten hours in water, the rolex oyster…