Brand New Authentic Rolex Datejust 31, stainless steel and yellow gold case with Rolesor material (combination of Oystersteel and Yellow Gold), mother-of-pearl dial featuring diamonds hour markers, polished yellow gold hands, yellow gold fixed bezel set with diamonds, automatic mechanical movement with 55 hours power reserve, date function displayed at the 3 o'clock position, screw-in crown, sapphire crystal resists scratches, round case shape measuring 31mm in diameter, solid case back, water resistant up to 100 meters (330 feet), yellow gold and stainless steel Oyster-style bracelet with folding clasp.