The Rolex Day-Date ref: 228345RBR-0009 features a 40mm case crafted from rose gold. This model, produced in 2016, is powered by the automatic winding Rolex caliber 3255. It includes a brown dial and displays the date function prominently. Additionally, this watch is certified as a chronometer, ensuring precision in timekeeping. The combination of materials and technical specifications makes it a notable piece in the Rolex lineup.