a ladies automatic wristwatch, model reference 278243CSO, featuring a round stainless steel and yellow gold case, champagne colored dial with applied gold-tone indices and hands, date display at the three o'clock position, screw-down bezel crafted from yellow gold, sapphire crystal resistant to scratches, solid case back, automatic movement Calibre 2236 (based on Rolex 2235) equipped with 31 jewels and a frequency of 28800 vph, providing an approximate power reserve of 55 hours, round case shape measuring 31 mm in diameter
![Rolex Datejust 31 Black Mother of Pearl Diamond Ladies 18kt Yellow Gold Oyster Watch, Ref. No: [Article Number]](https://cdn.lepodium.net/images/000/091/91588-2.jpg)
