The Rolex Datejust 31, reference 278289rbr-0017, is cased in 31 mm white gold and diamonds, with a dark grey dial and a gem-set bezel, on a President bracelet. It is powered by the automatic Calibre 2236 movement. Complications: Date display, Cyclops lens. Water-resistant to 100 m (330 ft). Maker: Rolex. Reference: 278289rbr-0017. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 31 mm. Case Material: white gold and diamonds. Movement: Automatic — Calibre 2236. Dial: Dark grey. Bezel: Gem-set bezel. Bracelet/Strap: President. Complications: Date display; Cyclops lens. Clasp: Concealed folding Crownclasp. Water Resistance: 100 m (330 ft).