Rolex Datejust 31 31 mm 278384RBRGRVIDO Steel/White Gold/Diamonds Grey

The Rolex Datejust is widely regarded as the archetype of the classic dress watch, and the 31mm case size occupies a uniquely versatile position in the collection — substantial enough to read as a statement piece yet refined enough for the most formal of settings. First introduced in 1945 as the world's first self-winding wristwatch to display the date in a window at 3 o'clock, the Datejust has evolved continuously while preserving its instantly recognizable silhouette. The 31mm format, positioned between the 28mm Lady-Datejust and the 36mm Datejust 36, has become a favorite among collectors who appreciate a balanced, gender-neutral proportion on the wrist.

Reference 278384RBRGRVIDO represents one of the most lavishly appointed expressions in the current Datejust 31 lineup. The case and bracelet are constructed from a combination of Oystersteel — Rolex's proprietary 904L stainless steel alloy prized for its exceptional corrosion resistance and mirror-bright polish — and 18k white gold, a pairing that delivers the durability of steel alongside the cool luminosity of precious metal. This two-tone identity gives the watch a richness that pure steel references cannot match, without the full weight commitment of an all-gold case.

The grey Roman numeral dial is one of the most striking design choices Rolex offers in this reference. Grey dials carry an inherently sophisticated, slightly masculine undertone that contrasts beautifully with the white gold and diamond elements, creating a palette that feels both contemporary and timeless. Roman numerals — a nod to classical horology — add depth and legibility while reinforcing the dress-watch character of the piece. The dial itself is set with diamonds, and the bezel is fully paved with brilliant-cut diamonds, ensuring that this watch captures light from every angle.

Powering the 278384RBRGRVIDO is a Rolex automatic movement, providing the self-winding convenience expected of a modern luxury timepiece. Rolex automatic movements are renowned within the industry for their robustness, accuracy, and long service intervals, making this watch as reliable as it is beautiful. The watch is also water resistant to 100 meters (330 feet), a testament to the integrity of the Oyster case construction — an impressive specification for a diamond-adorned dress piece that confirms its suitability for everyday wear.

The Oyster bracelet, one of Rolex's most enduring and celebrated bracelet designs, anchors the watch to the wrist with a secure, comfortable fit. Its three-piece link construction in matching Oystersteel and white gold echoes the case materials and contributes to the overall coherence of the design. The Oysterlock safety clasp ensures the bracelet stays fastened during active wear, adding practical confidence to the watch's undeniable elegance.

At Bizak & Co., we specialize in presenting exceptional Rolex timepieces to discerning buyers across the United States. The Datejust 31 ref. 278384RBRGRVIDO is a rare opportunity to own a diamond-set, two-tone Rolex that functions as both an everyday companion and a collector's statement. Whether you are buying your first luxury watch or adding a definitive piece to an established collection, we invite you to contact our team to inquire about this reference, confirm current availability, and receive personalized guidance. Please note that Bizak & Co. is not an authorized Rolex dealer.