The Rolex Datejust ref: 278289RBR-0021 features a 31mm case crafted from white gold. It is powered by the automatic winding Rolex caliber 2236 movement, ensuring precise timekeeping. This model, produced in 2020, showcases a silver dial and includes a date function. Additionally, it is certified as a chronometer, reflecting its high standards of accuracy. The watch is designed with a focus on functionality and elegance, making it a notable addition to any collection.