Rolex Lady-Datejust 31 31 mm 278381RBRRRDVIO Steel/Rose Gold/Diamonds Slate

The Rolex Lady-Datejust 31 is one of the most enduring and recognizable dress watches in the world, tracing its lineage back to the original Datejust introduced in 1945 — the first self-winding wristwatch to display the date in a window at 3 o'clock. The 31mm case size occupies the sweet spot in Rolex's Lady-Datejust lineup, offering a presence that reads confidently on a range of wrist sizes without sacrificing the delicate proportions that define the collection. Reference 278381RBRRRDVIO represents the contemporary pinnacle of this storied line, marrying Rolex's proprietary Oystersteel with 18k Everose Gold — a rose gold alloy developed exclusively by Rolex and engineered to resist fading and maintain its warm blush tone for decades.

The dial of reference 278381RBRRRDVIO is finished in a sophisticated slate tone, a color that shifts subtly under different lighting conditions — appearing as a deep charcoal in shadow and revealing warmer grey-brown undertones in natural light. The Roman numeral VI position is set with a genuine diamond index, a detail that introduces a deliberate asymmetry and a touch of haute joaillerie to an otherwise architectural dial layout. Applied hour markers and the characteristic Rolex date window at 3 o'clock complete a dial that is complex in its details yet immediately legible.

The diamond-set bezel frames the slate dial with continuous brilliance, each stone hand-selected and set by Rolex craftspeople to achieve an unbroken ring of scintillation around the case. The 31mm Oyster case — Rolex's hermetically sealed, patented case architecture — provides the structural foundation that underpins the watch's water resistance to 100 meters (330 feet), a specification that far exceeds the practical demands of a dress watch and speaks to the robustness engineered into every Rolex regardless of aesthetic intent. The Twinlock crown winding system seals the movement from moisture and dust.

An automatic movement powers this Lady-Datejust, delivering the smooth sweep of a self-winding rotor mechanism that requires only the natural motion of the wearer's wrist to remain perpetually wound. The Oyster bracelet — composed of three flat, polished and brushed links — flows seamlessly from the case lugs and is secured by Rolex's Crownclasp, a concealed folding clasp that keeps the bracelet's clean profile uninterrupted when viewed from above. The interplay of polished Everose Gold center links and brushed Oystersteel outer links echoes the two-tone character of the case and creates a visual rhythm across the entire watch.

For collectors and first-time Rolex buyers alike, reference 278381RBRRRDVIO occupies a compelling position: it is simultaneously a certified instrument watch built to Rolex's exacting tolerances and a gem-set jewellery piece worthy of the most formal occasions. Its two-tone construction ensures versatility across metal jewelry wardrobes, while the slate dial gives it a modern edge that distinguishes it from more traditional champagne or white dial variants. Whether you are adding a statement piece to an established collection or investing in your first luxury watch, this reference delivers enduring value and unmistakable Rolex identity.

At Bizak & Co., we are passionate about connecting discerning clients with exceptional timepieces, and the Lady-Datejust 31 in reference 278381RBRRRDVIO is among the most sought-after references we offer. Please note that Bizak & Co. is not an authorized Rolex dealer; all Rolex trademarks belong to Rolex SA. We invite you to reach out to our team at bizakandco.com to ask questions, request additional photographs, or begin the purchase process — our specialists are ready to guide you to your perfect watch.