The Rolex Datejust ref: 278343RBR-0014 features a combination of yellow gold and stainless steel. This model has a 31mm case and is powered by the automatic winding Rolex caliber 2236. It was produced in 2018 and includes a date function. The watch is certified as a chronometer, ensuring precision in timekeeping. The dial is gold, complementing the overall aesthetic of the piece.