Rolex Oyster Perpetual Seadweller Deepsea Black Dialwith Luminous Silver-Tone Hands and Dot Hour Markers Polished with Brushed Stainless Steel Case and Oyster Bracelet Self-winding Automatic Chronometer Movement, COSC Chronometer Certified Swiss Made, Rolex Calibre 3135 3900 Meters / 12800 Feet Water Resistant