The Rolex Lady-Datejust, reference 279139RBR-0003, is cased in 28 mm white gold and diamonds, with a silver dial set with diamonds and a gem-set bezel, on a President bracelet. It is powered by the automatic Calibre 2236 movement, with a 55-hour power reserve. Complications: Date display, Cyclops lens. Water-resistant to 100 m (330 ft). Maker: Rolex. Reference: 279139RBR-0003. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.