Description: Rolex Datejust 36 ref 16233 Pre-owned Rolex Datejust 36 ref 16233 (1991) marked the next evolution of the classic two-tone Datejust, replacing the earlier ref. 16013 and bringing several important modern upgrades to the collection. While it kept the familiar 36mm Oyster case, fluted yellow gold bezel, Jubilee bracelet, and overall aesthetic collectors already loved, Rolex updated the watch with the caliber 3135 automatic movement. That movement would