The Rolex Datejust 126201BKDO is a luxury watch featuring a black diamond dial, stainless steel and 18k Everose gold case, an analog display showing the date at 3 o'clock, powered by the Calibre 3235 automatic movement with a 70-hour power reserve, equipped with a scratch-resistant sapphire crystal, screw-down crown for secure winding and water resistance up to 100 meters or 330 feet, solid case back, round 36 mm case shape.