The Rolex Datejust reference 278381RBR-0027 features a 31mm case crafted from a combination of rose gold and stainless steel. This model, produced in 2018, is powered by the automatic winding Rolex caliber 2236. The watch includes a brown dial and is equipped with a date function. It is certified as a chronometer, ensuring precision in timekeeping. The design reflects Rolex's commitment to quality and functionality.