Rolex 279383RBR sdj Ladies 28mm Steel & Yellow Gold Watch.  18K yellow gold screw-down crown with twinlock double waterproofness system, 18K yellow gold diamond bezel, scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating, silver dial, diamond hour markers, Rolex calibre 2236 automatic movement with center hour, minute and seconds hands, instantaneous date with rapid setting, and stop-seconds for precise time setting, yellow gold Rolesor Jubilee bracelet comprised of a combination of 904L steel and 18K yellow gold in five-piece links, concealed folding Crownclasp buckle