The Rolex Day-Date ref: 228396TBR-0021 features a 40mm platinum case and is powered by the automatic winding Rolex caliber 3255. This model, produced in 2017, includes a diamond-set bezel and a date function. It is classified as a chronometer, ensuring precision in timekeeping. The watch combines luxury materials with advanced watchmaking technology, making it a notable addition to any collection.