This mechanical, perpetual, self-winding Rolex Sky-Dweller 326934-003 offers dual time zones and an annual calendar. Oystersteel and white gold with the case measuring 42 mm in diameter. With its monobloc middle case, screw-down case back, winding crown, and fluted rotatable Ring Command bezel, unique to Rolex, that allows the setting of the functions. The blue dial is characterized by its highly legible chroma light display with long-lasting blue luminescence, scratch-resistant sapphire, and cyclops lens over the date. The power behind this Rolex Sky-Dweller 326934-003 is the caliber 9001, the mechanical, self-winding movement which offers functions that include a center hour, minute, and seconds hands. 24-hour display on off-center disc. A second-time zone, and an instantaneous annual calendar at 3 o’clock, and rapid-setting of the date. It has a power reserve of up to 72 hours and is water resistance up to 100 Meters / 330 Feet. This watch is complemented by a flat three-piece link Oystersteel bracelet with a folding Oysterclasp.