Rolex introduced the Day-date in 1956, the Day-Date was the first watch to display the date, as well as the day, in its entirety. The Day-Date is one of Rolex’s watches that is made only in solid 18k yellow gold, 18k white gold, 18k everose gold and platinum. Additionally Rolex manufactures a specific bracelet only available for the Day-Date line, the President bracelet. Due to the name of this bracelet, the Rolex Oyster Perpetual Day-Date is commonly referred to as “Rolex president” or “presidential Rolex”.