This is an authentic Rolex wristwatch. The watch has been professionally serviced and comes with a two-year warranty. As can be seen in the photographs, this watch is accompanied by matching Rolex boxes.

Brand: Rolex Oyster Perpetual Datejust
Model Number: 68274
Year: 1988
Material: Stainless Steel
Movement: Automatic
Stone Information:
Natural Diamonds
Clarity: SI2 - I1
Color: G - H
Carats: 0.80ctw
Genuine Sapphires
Treatment: Heating
Color: Blue
Carats: 0.24ctw
Gemstones’ Cut: Round Brilliant
Total Carats: 1.04ctw
Case: 30.8mm wide (not including the crown)
Band width: 15.0mm
Lug Width: 17.1mm
Bracelet Inner Circumference: 6"
Closure Type: Fold-Over Clasp
Total Weight: 65.2 Grams
Stamps: Rolex Oyster Perpetual Datejust, Superlative Chronometer Officially Certified, Swiss Made, Registered, Steelinox
Features:
Custom / aftermarket diamond dial
Diamonds marking the hours
Magnified date window 
Custom bezel