Rolex Lady-Datejust 26 26 mm 179174-BLKRO Steel/White Gold Black Rolex Lady-Datejust 26 26 mm 179174-BLKRO Steel/White…

The Rolex Lady-Datejust is the definitive ladies' luxury sports-dress watch, a lineage that stretches back to 1957 when Rolex introduced the first watch specifically sized and proportioned for a woman's wrist. Over the decades the Lady-Datejust has become a genuine icon—instantly recognizable by its cyclops lens magnifying the date, its fluted or smooth bezel options, and the deeply versatile Oyster case that marries precision engineering with timeless style. Reference 179174-BLKRO sits squarely in this distinguished tradition, bringing together the most refined material and dial choices available in the 26mm family.

At 26mm, the Oyster case of reference 179174-BLKRO is built from a combination of Oystersteel—Rolex's proprietary corrosion-resistant steel alloy—and 18k white gold. The white gold appears on the bezel, which is rendered in the celebrated fluted pattern, a design that began life as a functional device to screw the bezel onto the case and has since become one of the most recognizable motifs in watchmaking. The interplay of cool steel and bright white gold gives the piece a two-tone character that never feels dated.

The dial is finished in a rich black and set with Roman numerals, a choice that lends an undeniably classical and formal personality to the watch. Roman numerals on a black ground recall the great dress watches of the mid-twentieth century while the date window at three o'clock, magnified by Rolex's signature Cyclops lens, grounds the piece firmly in modern functionality. The result is a dial that is both legible and unmistakably luxurious.

Power comes from an automatic movement, meaning the mainspring is wound by the natural motion of the wearer's wrist, eliminating the need for a battery and ensuring smooth, continuous timekeeping. The Oyster case provides a water resistance of 100 metres (330 feet), making this Lady-Datejust far more robust than its slender profile and brilliant bezel might suggest—a hallmark of Rolex's philosophy that beauty and durability are never mutually exclusive.

On the wrist, the Oyster bracelet ties the entire design together. Its three-link construction, also crafted in Oystersteel, offers both security and comfort, and its polished center links echo the gleam of the white gold bezel. The bracelet integrates seamlessly into the 26mm case, giving the watch a fluid, bracelet-watch silhouette that has influenced countless competitors and remained relevant across generations of wearers.

Bizak & Co. is a trusted destination for pre-owned and vintage Rolex watches, and reference 179174-BLKRO represents exactly the kind of statement piece collectors and first-time buyers alike seek out: a recognizable reference with strong resale history, a color combination that photographs beautifully, and the daily wearability that only an Oyster-cased Rolex can deliver. Browse our current inventory at bizakandco.com or reach out directly—our team is ready to answer questions, provide additional images, and guide you through a confident purchase.