The Rolex Datejust 31, reference 278243-0021, is cased in 31 mm Oystersteel and yellow gold, with a dark grey dial set with diamonds and a domed bezel, on an Oyster 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: 278243-0021. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 31 mm. Case Material: Oystersteel and yellow gold. Movement: Automatic — Calibre 2236. Dial: Dark grey set with diamonds. Bezel: Domed bezel. Bracelet/Strap: Oyster. Complications: Date display; Cyclops lens. Clasp: Folding Oysterclasp. Water Resistance: 100 m (330 ft).