The Rolex Datejust ref: 278343RBR-0001 features a 31mm case crafted from a combination of yellow gold and stainless steel. This model, produced in 2018, is powered by the automatic winding Rolex caliber 2236. The watch showcases a white dial and includes a date function, certified as a chronometer for precision. The design reflects Rolex's commitment to quality and reliability, making it a notable addition to any collection.