New Authentic Rolex Datejust. Model: M278285RBR-0023. Features 18Kt Everose Gold polished round case, fixed Diamond bezel, President-style bracelet with Oysterclasp, Purple Dial with Roman numeral hour markers and diamond pave indices, automatic Chronometer movement (Calibre 2236), screw-in crown, sapphire crystal with anti-reflective treatment, date function at the 3 o'clock position, solid case back, water resistant to 100 meters / 55 hours power reserve warranty.