Rolex Datejust 31 31 mm 278344RBR Steel/White Gold/Diamonds Grey

The Rolex Datejust is one of the most iconic and enduring watch designs in horological history, first introduced in 1945 as the first self-winding waterproof wristwatch to display the date in a window on the dial. Over the decades, Rolex refined the Datejust into a family of references spanning multiple case sizes, materials, and dial configurations, and the 31mm variant occupies a beloved middle ground — larger than the traditionally feminine 28mm Lady-Datejust, yet distinctly wearable for a wide range of wrist sizes. Reference 278344RBR represents the current generation of the Datejust 31, combining the timeless case architecture with contemporary material luxury.

The case of the 278344RBR is constructed from Rolex's proprietary Oystersteel — a 904L stainless steel alloy renowned for its exceptional corrosion resistance and high-polish brilliance — accented by 18k white gold elements that elevate the watch into true luxury territory. At 31mm in diameter, the Oyster case is compact yet substantial, wearing with understated authority on the wrist. The iconic Oyster bracelet, also crafted from Oystersteel, delivers comfort and security through its integrated three-link design and the precision of Rolex's Oysterclasp system.

The dial is a striking dark grey with Roman numeral hour markers, a combination that reads as quietly opulent rather than overtly flashy. Grey dials have surged in collector popularity for their versatility — pairing effortlessly with both casual and formal attire — and the Roman numeral configuration lends a classical, dress-watch sensibility that anchors the piece in Rolex's storied tradition. The date window at the 3 o'clock position, magnified by the signature Cyclops lens on the crystal, remains the defining visual signature of every Datejust.

The crowning jewel of this reference — literally — is the 18k white gold domed bezel set with brilliant-cut diamonds. Rolex's gem-setting atelier applies exacting standards to every stone selected for its watches, ensuring uniformity of cut, color, and brilliance. The result is a bezel that catches light from every angle, framing the grey dial with a continuous arc of sparkle. This diamond bezel transforms the 278344RBR from a purely functional timepiece into a piece of wearable fine jewelry without sacrificing a single measure of Rolex's functional DNA. The automatic movement within keeps the watch running reliably day after day, and the Oyster case provides 100 meters (330 feet) of water resistance — a reassuring level of robustness for an everyday luxury watch.

For collectors and buyers considering the Rolex Datejust 31 278344RBR, Bizak & Co. offers a curated, knowledgeable buying experience built on transparency and expertise. Whether you are purchasing your first Rolex or adding a diamond-set mid-size Datejust to a growing collection, our team is equipped to answer every question and guide you to the right decision. Browse the 278344RBR for sale at bizakandco.com or reach out directly — we are here to help you buy with confidence.