Rolex Datejust 31 31 mm 278384RBRPDJ Steel/White Gold/Diamonds Pink

The Rolex Datejust is, by virtually any measure, the most iconic dress watch in horological history. Introduced in 1945 as the first self-winding wristwatch to display the date in a window at 3 o'clock, the Datejust established conventions that the entire industry would follow for decades. The 31mm case size sits at the heart of the modern Datejust family, offering a versatile mid-size proportion that flatters a wide range of wrists while retaining every ounce of the model's heritage and prestige. Reference 278384RBRPDJ represents the pinnacle of this lineage, combining precious metal, diamond setting, and Rolex's legendary engineering into a single, cohesive statement.

The case of the 278384RBRPDJ measures 31mm in diameter and is constructed in a pairing of Oystersteel — Rolex's proprietary 904L stainless steel alloy, valued for its exceptional corrosion resistance and high-polish brilliance — and 18k white gold. This bi-material construction is a hallmark of the upper tier of the Datejust collection, lending the watch a visual richness that pure steel references simply cannot replicate. The crown guards and fluted crown are finished to Rolex's exacting standards, and the overall case proportions are refined and balanced.

The bezel is set with diamonds, a specification denoted by the 'RBR' in the reference number, which signals a rainbow or full diamond-set bezel in Rolex nomenclature. Diamonds of exceptional quality are individually set around the full circumference of the bezel, replacing the traditional fluted or smooth metal with a continuous band of brilliant-cut stones that catch light from every angle. The pink dial continues the luxurious theme: the warm, feminine hue of the dial is further elevated by diamond hour markers, creating a surface that reads simultaneously as a functional timepiece and a work of decorative art.

Powering the watch is a Rolex automatic movement, providing the reliable self-winding convenience expected of any serious everyday timepiece. The Oyster case delivers water resistance to 100 meters (330 feet), a specification that underlines Rolex's commitment to robustness even in their most jeweled references — a reminder that beneath the diamonds and precious metal lies a genuinely tool-grade instrument. The five-link Jubilee bracelet, first introduced alongside the original 1945 Datejust, completes the package with its characteristic suppleness and dressy character, secured by Rolex's Crownadjust extension system for a precise, comfortable fit.

For collectors and first-time buyers alike, the Datejust 31 278384RBRPDJ occupies a unique position in the market: it is a reference that can be worn to a formal gala or a business lunch with equal authority, a true dual-purpose luxury watch that appreciates the wearer's investment in both style and substance. The combination of a recognizable model with scarce diamond and pink-dial appointments means this reference commands strong desirability in the pre-owned and grey market.

At Bizak & Co., we specialize in sourcing and presenting exceptional timepieces like the Rolex Datejust 31 278384RBRPDJ for discerning buyers across the United States. Please note that Bizak & Co. is not an authorized Rolex dealer; all watches are offered on the secondary market. Contact our team directly to inquire about availability, condition details, and pricing — or browse our full collection online at bizakandco.com. We are committed to transparency, expertise, and helping you acquire the exact watch you are looking for with confidence.