Description: Rolex Datejust 36 Ref 16264 Pre-owned Rolex Datejust 36 ref 16264 (1991) follows all the same DJ design codes. The Oyster case is hermetically sealed up to 100 meters and houses a self-winding “Perpetual” movement with an automatically changing date, which is always positioned at the 3-hour marker. What makes it different is the bezel, which is marked with 60-minute graduations and rotates. For those unfamiliar, standard Datejusts have fixed bezels