The Rolex Day-Date ref: 228348RBR-0001 features a 40mm case crafted from yellow gold. This model, produced in 2015, is powered by the automatic winding Rolex caliber 3255. It showcases a black dial and includes a date function. Additionally, this watch is certified as a chronometer, ensuring precision in timekeeping. The combination of materials and design elements makes it a notable piece in the Rolex lineup.