Matthew Bain rolex datejust 36 watch in silver. Reference # 116200, Serial # Z986904, Automatic Movement # 31850520, Caliber 3135, 31-Jewel, Screw Down Case Back, Black Concentric Circles Dial, Luminous Arabic Markers, Baton Hands, Sapphire Crystal, Date, Sweep Seconds, Ss Rolex Oyster Bracelet #72200A & Folding Clasp, Circa 2006 Stainless Steel 36Mm Round Case Shape