Rolex Datejust 31 31 mm 278344RBRWRJ Steel/White Gold/Diamonds White

The Rolex Datejust is one of the most enduring and recognizable watch designs in horological history, introduced in 1945 as the first self-winding wristwatch to display the date in a window on the dial. Over the decades it has evolved in size, material, and complication while preserving the clean, legible aesthetic that made it iconic. The 31mm case size occupies a versatile mid-size position, sitting comfortably on a wide range of wrists and appealing equally to those who prefer a refined understatement and those who seek a statement piece with genuine precious-metal presence.

Reference 278344RBRWRJ represents the Datejust 31 at its most luxurious. The case and bracelet are constructed from Rolex's proprietary Oystersteel paired with 18k white gold, a pairing that lends a cool, silvery coherence across every surface. The signature Oyster case architecture — with its distinctive middle case, screw-down caseback, and winding crown — ensures the iconic silhouette that collectors and first-time buyers alike immediately recognize as unmistakably Rolex.

The white Roman dial is among the most classically correct choices available in the Datejust lineup. Roman numerals in bright white against a white dial create a tonal, understated elegance that reads effortlessly in both daylight and ambient indoor light. The date aperture, protected by a magnifying Cyclops lens at three o'clock, delivers the signature Datejust functionality with the crisp legibility Rolex is celebrated for — all presented within a dial design that has graced boardrooms, black-tie events, and everyday luxury occasions for generations.

The white gold domed diamond-set bezel elevates the 278344RBRWRJ into genuine high-jewelry territory. A continuous ring of brilliant-cut diamonds encircles the dial, refracting light from every angle and giving the watch a presence that catches the eye without overwhelming the dial's serene elegance. The domed profile adds depth and a sense of generous proportion to the 31mm case, making the watch wear larger and more substantial than its measurements alone might suggest. This bezel is a detail that distinguishes ownership of this reference from any standard steel or gold Datejust.

The automatic movement inside the Oyster case provides reliable, self-winding convenience for daily wear, and the case is rated to 100 meters (330 feet) of water resistance — a practical guarantee that the watch is built to withstand the realities of an active life, not merely to sit in a display case. The five-link Jubilee bracelet, one of Rolex's most celebrated and historically significant bracelets, completes the package with refined comfort and a flexible, cushioned feel on the wrist that has earned devoted loyalty from Datejust wearers worldwide.

At Bizak and Co., we curate only the finest luxury timepieces and stand behind every watch we offer with knowledgeable, personalized service. The Rolex Datejust 31 reference 278344RBRWRJ is available for purchase online or by direct inquiry, and our team is ready to answer every question about this reference, assist with sizing, and ensure a confident buying experience. Please note that Bizak and Co. is not an authorized Rolex dealer; all watches are sourced from the pre-owned and gray market. Reach out today to make this exceptional diamond-bezel Datejust 31 yours.