The Rolex Lady Datejust Automatic is a sophisticated ladies' timepiece. It features an automatic mechanical movement, Calibre 2236 mechanism with 55-hour power reserve. The silver-tone stainless steel case and fixed silver-tone diamond set bezel complement the silver dial displaying analog timekeeping with Roman numeral hour markers and luminous silver-tone hands. Includes date display at the 3 o'clock position. Equipped with a screw-down crown, sapphire crystal resistant to scratches, solid case back, round 28mm case size, fold-over clasp with safety release, and is water-resistant up to 100 meters or 330 feet.