The Rolex Lady-Datejust ref: 279138RBR-0015 features a 28mm case crafted from yellow gold. This model, produced in 2015, is powered by the automatic winding Rolex caliber 2236. The watch showcases a mother of pearl dial and includes a date function. It is certified as a chronometer, ensuring precision and reliability. The design is completed with diamond-set hour markers, adding a touch of elegance to its overall appearance.