The Rolex Day-Date ref: 128239-0066 features a 36mm case crafted from white gold. This model, produced in 2019, showcases a mother of pearl dial and is powered by the automatic winding Rolex caliber 3255. It includes a date function and is certified as a chronometer, ensuring precision in timekeeping. The combination of materials and the caliber reflects Rolex's commitment to quality and performance.