Rolex Lady Datejust 28 is the slightly bigger version of the original lady Datejust and is the perfect timepiece to add to a ladies™ collection of accessories. The 279178 comes with a yellow gold case that is 28mm in diameter with a screw-down crown, a scratch-resistant sapphire crystal, and a yellow gold fluted bezel. The dial is champagne and features star-shaped diamond hour markers with a special diamond roman numeral hour marker and the date window at 3-o-clock. The 279178 is powered by the self-winding 2236 caliber which has superlative chronometer certification with instantaneous date functionality and a power reserve of 55 hours. This elegant case is paired with an equally delicate yellow gold president bracelet with semi-circular three-piece links and a concealed fold-over crown clasp. It has a water resistance of 100 meters (330 feet).