The Rolex Oyster Day-Date watch which was born for the first time in 1956 has realized a outstanding innovation, and it has the optional 18ct gold and platinum gold types available, and it is the first watch in the world that has the calendar windows on the watch surface and can also display the full week, which is a great technique achievement at that time. It follows the classic features of the Rolex oyster perpetual watches including the waterproof, dustproof, and the remarkable big bubble calendar display, and it is made of the precious metal. The Day-date at that time was referred as the "flagship" of rolex replica watches, as far as it is deeply loved by the celebrities.

After several decades, the Day-Date had appeared on the wrist of the President of the United States, Roosevelt, Kennedy, Nixon... Also appeared in the guests from Hong Kong, Shaanxi coal bosses, and the outstanding elite wrists to be known by us. This first Day-Date Ref. 6511 is equipped with a Rolex Cal. 1055 movement, and the movement degrees with no card balance spring and screw fine-tuning escapements let this Day- Date watch always maintain a competitive advantage at the time. In 1959, as the birth of the so-called "the most practical and luxury" rolex movement Cal. 1555, it is used on the new Day - Date and had the screw compensation balance wheel, at the time it got high praise for its high accuracy and good effect of suspension after it was launched. Until now, its influence still exists in the collector and watches fans.

Ref.1803 is the most famous and has the long history among all the Rolex Day-date watches, and it has carried two generations movements including the Cal. 1555 and Cal. 1556, and the difference of the movements is just the swing frequency which is increased from 18,000 to 19,800.