Rolex Lady-Datejust 31 31 mm 278273BMDO Steel/Yellow Gold Black Mother of Pearl

The Rolex Lady-Datejust is one of the most storied timepieces in the history of fine watchmaking, and the 31mm case size has long occupied the sweet spot between the slimmer 28mm and the more assertive 36mm, offering a versatile fit for a wide range of wrists. First introduced as the world's first waterproof, self-winding, date-displaying wristwatch sized for women, the Datejust line has been continuously refined over decades while preserving the architectural elements that made it iconic: the fluted bezel, the Cyclops lens over the date, and the Oyster bracelet.

Reference 278273BMDO represents the contemporary expression of that heritage. The case and bracelet are constructed in a harmonious pairing of Oystersteel—Rolex's proprietary 904L stainless steel alloy renowned for its corrosion resistance and deep luster—and 18-karat yellow gold, creating a two-tone profile that is instantly recognizable and perpetually in style. The yellow gold fluted bezel crowns the case with a sense of occasion, its geometric ridges catching light from every angle.

The dial is arguably the most captivating element of this reference. Black mother of pearl is harvested from mollurous shells and exhibits a natural iridescence that shifts with the light, ensuring that no two dials are ever perfectly identical. Against the dark, shifting background, applied hour markers and hands in yellow gold tones create immediate legibility while adding warmth and cohesion to the overall palette. The result is a dial that reads as both bold and deeply sophisticated.

Powering the watch is a Rolex automatic movement, delivering the reliable and precise self-winding performance the brand is celebrated for worldwide. The Oyster case provides 100 meters (330 feet) of water resistance, making reference 278273BMDO not merely a dress watch but a genuinely robust daily companion capable of handling rain, splashing, and casual swimming without concern. The screw-down Twinlock crown and solid case back contribute to that impermeability.

The Oyster bracelet completes the package with the same integrated elegance it has provided since its introduction. Its three-piece link construction lies flat against the wrist, and the concealed clasp offers a clean finishing line. Whether worn at a boardroom presentation, a weekend brunch, or a formal evening event, the Lady-Datejust 31 in this configuration commands attention without demanding it.

At Bizak and Co., this reference 278273BMDO is offered as certified authentic and brand new, complete with box and papers. Our team of experienced watch specialists is available to answer any questions and guide you through the purchase process. Shop the Rolex Lady-Datejust 31 278273BMDO for sale online at bizakandco.com, or reach out directly to buy with confidence from a trusted dealer.