A Rolex Lady Datejust automatic watch model 279383snrj. Features a stainless steel case, yellow gold-tone Jubilee bracelet with central 18kt yellow gold links, fixed diamond-set fluted bezel, matte dial featuring luminous hands and Roman numeral hour markers in yellow gold-tone, date display at the 3 o'clock position, Rolex Calibre 2236 automatic movement (28 jewels, 28800 vph frequency, approx. 55-hour power reserve), sapphire crystal with scratch-resistant properties, screw-down crown, solid case back, round case shape measuring 28mm diameter, concealed Crownclasp buckle, water resistant up to 100 meters (330 feet), and functions for hours, minutes, seconds, date display. Certified chronometer.