The Rolex Lady-Datejust ref: 279384RBR-0012 features a 28mm case crafted from white gold and stainless steel. This model, produced in 2017, is powered by the automatic winding Rolex caliber 2236. The dial is made of mother of pearl and includes a date function. Additionally, this timepiece is certified as a chronometer, ensuring precision in timekeeping. The combination of materials and design elements makes it a notable addition to any collection.