Pat the roast dry. Bring to room temperature (about 30 minutes).
Rub with oil and sprinkle on spices. Rub evenly.
Preheat oven to 250 degrees F. Place in roasting pan on wire rack. Pour 1 cup of water into roasting pan.
Roast for 3-4 hours or until the internal temperature is 125-130 degrees, for rare/medium rare. For well/well done, 140-145.
Tent the roast with aluminum foil and rest for 30 minutes. Wrap in plastic and refrigerate overnight before slicing.