The Rolex Sky-Dweller ref: 326139-0003 features a 42mm case crafted from white gold. This model, introduced in 2014, is powered by the automatic winding Rolex caliber 9001. It includes a black dial with a 24-hour indication, date display, annual calendar, and month indicator. Additionally, this timepiece is certified as a chronometer, ensuring precision in timekeeping. The combination of these features makes it a sophisticated choice for those who appreciate functionality and elegance in a watch.