The Rolex Lady-Datejust ref: 279138RBR-0006 features a 28mm case crafted from yellow gold. This model, produced in 2015, is powered by the automatic winding Rolex caliber 2236. It includes a date function and is certified as a chronometer, ensuring precision in timekeeping. The watch is adorned with gold elements, enhancing its overall aesthetic. This particular reference combines elegance with functionality, making it a notable addition to any collection.