Absolutely gorgeous rolex. Very fine stainless steel & yellow gold watch. Perfect craftsmanship rolex is well known for. In mint condition (Pre-owned). 

Rolex Oyster Perpetual Datejust series.

Gender : Men 
Movement : Fully Automatic movement winds itself when worn-QUICK SET
Case : Stainless steel oyster case 
Bracelet : Stainless steel oyster bracelet with folding clasp. 
Dial : Blue dial with diamond hour markers ( Approx. 0.30 carat F VS1 diamonds)
Crystal : Sapphire
Bezel : Approx. 1.25 carat F VS1 diamond bead set bezel
Total Diamonds : Approx. 1.55 carats F VS1 diamonds
Case Size : 36 mm 
Condition : Mint. Looks brand new, well polished, no scratches etc.
Service : It has been fully serviced (worth value $250) and would work well for a few years before requiring service again.
Wrist Size : 7.5”. Can adjust the wrist size. Extra links available for an additional cost.
Packaging : Comes complete with appraisal, papers, tag etc.

Datejust model was introduced in 1945. It was the first watch to display date with a magnifying cyclops lens. With self winding chronometer.