The Rolex Datejust ref: 278383RBR-0030 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. It includes a green dial and a date function, along with a chronometer certification. The watch is designed to offer both elegance and precision, making it a notable addition to any collection.