WHAT DOES ROLEX DAY-DATE 1802 YELLOW GOLD MEAN?

Rolex Day-Date 1802 Yellow GoldConsidering the fact that 1972, the motion was even more improved by way of a hacking mechanism, which authorized a exact time-environment from the timepiece.;This Day-Day signifies an incredibly desirable collectors piece because of its extraordinary conservation point out, Improved by its yellow gold President brace