Rolex Datejust 36 36 mm 126284RBRBKDJ Steel/White Gold/Diamonds Black

The Rolex Datejust is arguably the most iconic dress watch ever created, having debuted in 1945 as the first self-winding wristwatch to display the date in a magnified window on the dial. Over eight decades it has evolved through successive generations while retaining its unmistakable silhouette—a round Oyster case, a cyclops lens over the date aperture, and a bracelet that integrates seamlessly with the lugs. Reference 126284RBRBKDJ belongs to the current-generation Datejust 36, introduced as part of Rolex's comprehensive family refresh that brought refined proportions, improved movements, and expanded material combinations to the storied line.

The case of reference 126284RBRBKDJ measures 36mm in diameter—a size that has historically been considered the heart of the Datejust collection, equally at home on any wrist and universally appreciated for its balanced, timeless presence. The case is constructed from a pairing of Oystersteel, Rolex's proprietary 904L stainless steel alloy renowned for its exceptional corrosion resistance and mirror-bright polishability, with 18k white gold, which appears at the bezel and contributing elements. This two-material combination gives the watch a layered visual richness that a single-material reference simply cannot match.

The bezel is set entirely with diamonds in 18k white gold, a hallmark of Rolex's gem-setting atelier whose craftspeople individually select, grade, and hand-set each stone for uniformity of color, cut, and brilliance. Against this sparkling frame, the black dial creates a dramatic and sophisticated contrast that has made blacked-out Datejust references among the most sought-after in the secondary and primary markets alike. Whether the dial is lacquered, sunray-brushed, or otherwise finished, its deep tone commands attention and ensures legibility against the white gold hands and hour markers.

The watch rides on a Jubilee bracelet, one of Rolex's oldest and most beloved designs, introduced alongside the original Datejust in 1945. Its five-piece link construction delivers a supple, flowing fit on the wrist that is immediately distinguishable from the sportier Oyster bracelet, reinforcing the Datejust's dressy character. The bracelet is fitted with Rolex's Easylink comfort extension system, allowing for on-the-fly adjustment. Water resistance is rated to 100 meters (330 feet), courtesy of the screw-down Triplock crown and Oyster case architecture, making this watch genuinely versatile despite its refined aesthetic.

The automatic movement inside reference 126284RBRBKDJ is a Rolex manufacture caliber, benefiting from decades of in-house horological development and meeting the brand's exacting Superlative Chronometer certification, which requires accuracy performance beyond the standards set by the Official Swiss Chronometer Testing Institute (COSC). Rolex services the movement with proprietary lubricants and validates it across multiple positions and temperature ranges before it leaves the manufacture in Geneva.

Bizak & Co. offers this brand-new, certified authentic Rolex Datejust 36 reference 126284RBRBKDJ with the full confidence of a specialist dealer. Whether you are a first-time Rolex buyer captivated by the diamond bezel and black dial combination or a seasoned collector adding a quintessential dress piece to your portfolio, this reference delivers enduring value, effortless wearability, and the prestige of the Rolex crown. Reach out to our team at bizakandco.com to purchase this Datejust 36 online, ask questions, or arrange a private viewing—we are here to make your acquisition experience as exceptional as the watch itself.