Brand New Authentic Rolex Day-Date 40 m228238-0054. Polished 18kt yellow gold case, President style yellow gold bracelet with concealed clasp and folding mechanism. Fixed fluted bezel set with diamonds. Diamond pave dial featuring day and date at the 3 o'clock position, baguette-cut diamond hour markers, yellow gold baton hands, scratch-resistant sapphire crystal. Automatic mechanical movement powered by Rolex Calibre 3255 with approximately 70-hour power reserve. Functions include: Hours, Minutes, Seconds, Date (displayed on a sub-dial at the 3 o'clock position), and Power Reserve indicator. Water resistant up to 100 meters / 330 feet.