The Rolex Lady-Datejust ref: 279383RBR-0020 features a 28mm case crafted from a combination of yellow gold and stainless steel. This model, produced in 2016, is powered by the automatic winding Rolex caliber 2236. The watch showcases a mother of pearl dial and includes a date function. Additionally, it is certified as a chronometer, ensuring precision in timekeeping. The design reflects a blend of elegance and functionality, making it a notable piece in the Lady-Datejust collection.