Rolex Datejust 31 31 mm 278240PSO Steel Pink

The Rolex Datejust is one of the most enduring and recognizable watch designs in horological history, having introduced the automatic date display at the 12 o'clock position to the wristwatch world in 1945. Across nearly eight decades of continuous production, the Datejust has evolved in size, materials, and dial aesthetics while preserving the core DNA that made it iconic: the Oyster case, the Cyclops lens over the date, and the legendary Oyster bracelet. The 31mm mid-size configuration — reference 278240PSO — represents the sweet spot between Rolex's traditional ladies' 28mm and the full-size 36mm, making it exceptionally versatile across wrist sizes and personal styles.

At 31mm in diameter, the Datejust 31 wears with a refined, understated presence that suits both formal occasions and daily wear. The stainless steel Oyster case is finished to Rolex's exacting standards, combining brushed and polished surfaces that catch light with controlled elegance. The Oyster case architecture is hermetically sealed and rated to 100 meters (330 feet) of water resistance, a testament to the engineering integrity that underpins every Rolex regardless of size or price point.

The pink dial of reference 278240PSO is one of the most sought-after configurations in the current Datejust 31 lineup. Pink dials project warmth and femininity without sacrificing the legibility and purposeful design language that defines the Datejust family. Paired with the clean stainless steel domed bezel — a profile that references the original Datejust aesthetic far more closely than the fluted or diamond-set alternatives — the overall composition is timeless and adaptable to virtually any wardrobe.

The watch is driven by a Rolex automatic movement, delivering the precision and reliability that have cemented the brand's reputation among professionals and enthusiasts alike. Rolex movements are manufactured, assembled, and tested in-house in Geneva to standards that consistently exceed official COSC chronometer certification requirements. The power reserve, while not published for this specific listing, is characteristic of modern Rolex calibers designed for worry-free everyday winding through normal wrist activity.

The Oyster bracelet is among the most comfortable and durable integrated bracelets ever produced for a sport-dress watch. Its three-link construction in stainless steel sits flush with the case lugs and features the Oysterclasp with an Easylink extension system, allowing the wearer to fine-tune fit by several millimeters without tools — a practical detail that elevates daily ownership. At Bizak & Co., this reference 278240PSO is offered as a certified authentic, brand-new example, meaning it arrives with all factory protections intact and has never been worn or adjusted.

Buying a brand-new Rolex Datejust 31 in the 278240PSO configuration from Bizak & Co. means acquiring a watch at the intersection of investment-grade Rolex provenance and personal style. The Datejust 31 has historically held its value with strength, and the pink dial variant occupies a desirable niche among collectors who appreciate color without flamboyance. Bizak & Co. is committed to authenticity and transparency — reach out directly through bizakandco.com to inquire about this piece, confirm current pricing, and arrange purchase or shipping.