A luxury women's automatic Rolex wristwatch model Lady Datejust President, reference number 279178sdp. Features a yellow gold fluted bezel and case, paired with a matching yellow gold president bracelet. The dial is silver with diamond hour markers and yellow gold baton hands displaying the date at 3 o'clock. Powered by the Swiss automatic movement calibre 2236 (based on the 2235), offering approximately 55 hours of power reserve, a frequency bitting of 28800 vph, and 31 jewels. Comes with scratch-resistant sapphire crystal glass, screw-down winding crown, solid case back, round shape, concealed fold-over clasp mechanism, water resistance to 100 meters (approx. 330 feet), analog functions including hour, minute, second, date indication. Label: Swiss Made.