Rolex Lady-Datejust 31 31 mm 278285RBRRDP Rose Gold/Diamonds Rose

The Rolex Lady-Datejust 31 is one of horology's most enduring and refined dress watches, 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. Over the decades, Rolex expanded the collection to serve a broader range of wrist sizes and tastes, and the 31 mm case became the defining silhouette of the Lady-Datejust line. Reference 278285RBRRDP represents the pinnacle of that evolution, combining precious materials, diamond embellishment, and mechanical excellence in a single timepiece that is equally at home at a formal gala or an intimate dinner.

The 31 mm case of the 278285RBRRDP is crafted entirely in Rolex's proprietary Everose gold, the brand's exclusive 18-karat rose-gold alloy engineered to resist fading and maintain its warm blush tone for generations. Everose gold contains a precise percentage of platinum in its composition, which prevents the oxidation that can cause lesser rose-gold alloys to pale over time. The result is a case and bracelet whose color remains as vivid decades from now as it is the moment it leaves the boutique.

The bezel of the 278285RBRRDP is set with brilliant-cut diamonds, a detail that elevates this reference from a classic dress watch into a genuine jewel-watch. Rolex's gem-setting workshop selects each diamond for color, clarity, and cut uniformity, ensuring the bezel blazes with an even, continuous sparkle around the entire circumference of the case. Complementing the diamond bezel is the rose dial, whose soft pink hue creates a warm, cohesive visual relationship with the Everose gold case and the scintillating stones surrounding it.

Powering the Lady-Datejust 31 is a Rolex-certified automatic movement, a self-winding caliber regulated to Superlative Chronometer standards, meaning it has been certified by Rolex to a precision of plus or minus two seconds per day — a standard significantly more stringent than the official COSC chronometer certification. The movement winds via a perpetual rotor as the wearer moves through her day, requiring no manual intervention and ensuring the watch is always ready to wear. The date display, Rolex's hallmark complication, advances sharply and reliably at midnight.

The President bracelet, exclusive to Rolex's top-tier references and worn famously by heads of state since its introduction, completes the 278285RBRRDP's luxurious proposition. Its semi-circular three-piece links flow naturally around the wrist and are secured by a concealed Crown Clasp, creating a clean, uninterrupted aesthetic when worn. On the wrist, the combination of the 31 mm Everose gold case, diamond bezel, rose dial, and President bracelet projects quiet authority — substantial enough to make a statement yet refined enough never to overwhelm a dressed or casual look.

At Bizak and Co., we specialize in sourcing and presenting exceptional Rolex timepieces for discerning collectors and first-time luxury buyers alike. The Lady-Datejust 31 reference 278285RBRRDP is a perennially strong performer in the pre-owned luxury watch market, prized for Rolex's unmatched brand recognition, the intrinsic value of its Everose gold and diamond materials, and its broad, enduring appeal. Browse this reference at bizakandco.com or reach out to our team directly — we are here to guide you through every step of acquiring this exceptional watch with confidence.