This mechanical, perpetual, self-winding Rolex Sky-Dweller 326934 offers dual time zones and an annual calendar. It is showcased here in 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 characterised by its highly legible chromalight display with long-lasting blue luminescence, scratch-resistant sapphire and cyclops lens over the date. The power behind this Rolex Sky-Dweller 326934 is the calibre 9001, mechanical, self-winding movement which offers functions that include a centre hour, minute and seconds hands. 24-hour display on off-centre 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 up to 72 hours and is water resistance up to 100 Meters / 330 Feet. The 326934 is complemented by a flat three-piece link Oystersteel bracelet with folding Oysterclasp.