Rolex Lady-Datejust 28 mm

This Rolex Lady-Datejust 28 mm, reference 279178-0006, comes in 18 ct yellow gold and measures 28 mm across. The case has a fluted bezel and a sapphire crystal with a Cyclops lens over the date. The silver dial is run by the calibre 2236, a Perpetual mechanical movement that winds itself and holds approximately 55 hours of power reserve. This is a chronometer, carrying Rolex's own Superlative Chronometer certification on top of the standard requirements. Central seconds and an instantaneous date complete the functions. A Jubilee bracelet in matching yellow gold closes with a concealed folding Crownclasp. The screw-down crown, part of the Twinlock system, backs up the case's 100 metre water resistance rating.