The Rolex Datejust ref: 278341RBR-0004 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. It showcases a brown dial and includes a date function. Additionally, this watch is certified as a chronometer, ensuring precision in timekeeping. The design reflects Rolex's commitment to quality and functionality.