Rolex Datejust 31 mm 278240WHTMOPJ Steel/White Gold/Diamonds White Mother of Pearl Rolex Datejust 31 mm 278240WHTMOPJ Steel/White Gold/Diamonds…

The Rolex Datejust is one of the most recognizable and enduring watch designs in horological history, having debuted in 1945 as the first self-winding wristwatch to display the date in a window at 3 o'clock. Across its eight-decade legacy, the Datejust has evolved in proportion and material while preserving the instantly identifiable case profile and cyclops lens that magnify the date 2.5×. The 31 mm mid-size iteration — reference 278240 and its dial variants — sits at a particularly versatile position in the lineup, offering a refined wrist presence that suits a wide range of wearers without sacrificing any of the model's iconic design language.

Reference 278240WHTMOPJ is among the most luxurious expressions of the Datejust 31, pairing Oystersteel with 18k white gold accents and a diamond-set bezel that elevates the watch firmly into jewelry-watch territory. White gold's cool, bright luster harmonizes perfectly with the iridescent white mother-of-pearl dial, which shifts subtly in color and depth depending on the light — no two viewings are quite alike. The Jubilee bracelet, a five-link design that Rolex introduced alongside the very first Datejust in 1945, adds another layer of heritage elegance and drapes graciously over the wrist.

The dial itself is a study in restrained glamour. White mother-of-pearl is prized in watchmaking for its organic, luminescent quality, and Rolex selects and cuts each dial with exacting standards to ensure consistency of sheen and absence of blemish. Diamond-set hour markers — precise, brilliant-cut stones set flush and secure — replace the standard applied indices, adding further sparkle without cluttering the legibility that the Datejust is known for. Together with the diamond bezel, this reference presents a continuous arc of brilliance from bezel edge to dial center.

Powering the watch is Rolex's automatic movement, a self-winding caliber built to the brand's exacting tolerances and regulated to perform within the precision standards that have earned Rolex its reputation as a benchmark for reliability. Water resistance to 100 meters (330 feet) is provided by the Oyster case construction — its screw-down crown and hermetically sealed case back offering genuine protection well beyond everyday splashes and incidental exposure, making this diamond-set piece far more wearable than its jeweled appearance might suggest.

For collectors and first-time luxury buyers alike, the Datejust 31 278240WHTMOPJ represents a compelling proposition: a watch with genuine horological provenance, extraordinary aesthetic execution, and the kind of long-term desirability that Rolex references consistently command. The combination of diamond bezel, mother-of-pearl dial, and Jubilee bracelet in this reference is particularly sought after, making it a strong choice both as a personal heirloom and as a store of value.

At Bizak & Co., we curate only watches we stand behind, and this Rolex Datejust 31 for sale at bizakandco.com is no exception. Whether you are looking to buy this reference online or prefer to speak with one of our specialists before committing, our team is here to guide you through every detail. Please note that Bizak & Co. is not an authorized Rolex dealer; all Rolex trademarks belong to Rolex SA.