This selfwinding Rolex Day-Date 36 case is constructed from 18 ct yellow gold alloy with a diameter of 36 mm. The champagne coloured dial characterised by hour markers fashioned from 18 ct gold to prevent tarnishing and baguette-cut diamonds at 6 and 9 o'clock. With its fluted bezel , scratch resistant sapphire with cyclops lens over the date, monobloc construction, screw down case back and winding crown. The power behind the 128238-0008 is the Calibre 3255 Perpetual, mechanical, self-winding Mechanism offering functions that include a centre hour, minute and seconds hands Instantaneous day and date in apertures, unrestricted rapid-setting and a power reserve of 70 hours and water resistance up to 100 meters / 330 feet. Complimented by a President, semi-circular three-piece links bracelet in 18 ct yellow gold comes with a concealed folding Crownclasp.