The Rolex Sky-Dweller ref: 326938-0001 features a 42mm case crafted from yellow gold. It is powered by the automatic winding Rolex caliber 9001 movement, which includes a chronometer certification. This model, introduced in 2014, offers a silver dial with a 24-hour indication, date display, annual calendar, and month indicator. The combination of these functions makes it a practical choice for those who appreciate both style and utility.