Rolex Day-Date Masterpiece Platinum Mother of Pearl Diamond Mens Watch 18946. Officially certified chronometer automatic self-winding movement. Platinum oyster case 39.0 mm in diameter. Rolex logo on the crown. Platinum original Rolex factory diamond bezel. Scratch resistant sapphire crystal with a cyclops magnifier. Black Tahitian mother of pearl dial with original Rolex factory diamond hour markers and luminescent baton hands. Date calendar at the 3 o'clock aperture. Weekday window at 12 o'clock. Platinum Pearlmaster bracelet with a hidden clasp. Fits up to a 7 1/4" wrist.