Rolex Datejust 31 31 mm 278344RBRGSJ Steel/White Gold/Diamonds Grey Rolex Datejust 31 31 mm 278344RBRGSJ Steel/White…

The Rolex Datejust is one of the most enduring icons in watchmaking — the first self-winding wristwatch to display the date in a window at 3 o'clock, introduced in 1945. Across eight decades of continuous production, it has evolved through countless variations while preserving the instantly recognizable silhouette and proportions that made it a legend. The 31 mm Datejust occupies a sweet spot in the collection: large enough to wear as a confident statement, refined enough to sit elegantly on a wide range of wrist sizes, and universally acknowledged as one of the most versatile luxury watches ever made.

Reference 278344RBR represents the modern Datejust 31 at its most glamorous. The case is built from Rolex's proprietary Oystersteel — a 904L stainless steel alloy prized for its exceptional corrosion resistance and high-polish finish — and enriched with 18k white gold crown guards, lugs, and bezel setting. At 31 mm, the Oyster case is perfectly proportioned: neither petite nor oversized, it sits flush against the wrist with the architectural precision Rolex is known for.

The bezel on this reference is a white gold domed design set throughout with brilliant-cut diamonds, transforming the watch's profile into something unmistakably precious. Diamond bezels on Datejust models are factory-set by Rolex to exacting standards, ensuring each stone is selected for consistency in cut, color, and clarity. The result is a bezel that catches light from every angle without ever appearing excessive — a hallmark of Rolex's approach to gem-setting.

The dark grey dial provides a compelling contrast to the white gold and diamond surround. Grey is among the most sophisticated dial choices in the Datejust range: it reads differently under various lighting conditions, shifting from a cool charcoal in daylight to a deeper, almost anthracite tone in shade. Index hour markers — polished white gold applied indexes — sit against this grey canvas with crisp legibility, keeping the dial purposeful and clean. The overall composition is contemporary yet timeless, equally at home at a formal event or a refined weekday.

Powering the watch is a Rolex automatic movement, beating reliably inside the hermetically sealed Oyster case. The Jubilee bracelet — a five-piece link design patented by Rolex in 1945, the same year the Datejust debuted — completes the watch with its characteristic flowing, flexible drape. Whether you are looking to buy the Rolex Datejust 31 278344RBR online or simply want expert guidance on this reference, Bizak & Co. is here to help. Reach out to our team for current availability, pricing, and condition details — we are committed to connecting discerning collectors with exceptional timepieces.