The Rolex Datejust reference 278289RBR-0016 features a 31mm case crafted from white gold. This model, produced in 2020, is powered by the automatic winding Rolex caliber 2236. It includes a date function and is certified as a chronometer. The watch is complemented by a pink dial and is adorned with diamond-set hour markers. This combination of materials and features makes it a notable addition to the Datejust collection.