Rolex Lady-Datejust 26 26 mm 179173-BLUSO Steel/Yellow Gold Blue Rolex Lady-Datejust 26 26 mm 179173-BLUSO Steel/Yellow…

The Rolex Lady-Datejust is one of the most enduring icons in watchmaking history, introduced in 1957 as a scaled feminine interpretation of the original Datejust that debuted in 1945. For decades it has represented the pinnacle of Swiss precision dressed in understated luxury, worn by stateswomen, artists, and collectors who prize both reliability and elegance on the wrist. Reference 179173-BLUSO belongs to the generation of Lady-Datejust models produced in the Rolex 26mm case format, a size that has defined the line's identity across multiple decades.

The case and bracelet of the 179173-BLUSO are crafted in a classic two-tone configuration, pairing Rolex's corrosion-resistant Oystersteel with 18k yellow gold accents. This combination, often called Rolesor within the Rolex universe, delivers the visual warmth of gold without sacrificing the robustness of steel, making the watch exceptionally versatile across both formal and everyday settings. The 26mm Oyster case is characteristically compact, with the smooth, clean lines and the hermetically sealed architecture that give every Datejust its signature silhouette.

The dial of this reference is finished in blue, a color that has long been associated with depth, confidence, and classic style in fine watchmaking. Index hour markers punctuate the dial with clean legibility, reflecting light in a way that complements the warm yellow gold tones of the bezel and case elements. The yellow gold fluted bezel is one of the most recognizable design signatures in all of Rolex's catalogue, its serrated ridge originally conceived to tighten the bezel onto the case and since elevated into a purely aesthetic hallmark of the Datejust line.

Power comes from a Rolex automatic movement, a self-winding mechanical caliber that winds continuously through the motion of the wearer's wrist via the Perpetual rotor — an invention Rolex pioneered. Rolex automatic movements are celebrated for their precision, long-term reliability, and the brand's rigorous in-house manufacturing and testing standards, ensuring that a Lady-Datejust performs as a serious timekeeping instrument regardless of its elegant exterior.

On the wrist, the 26mm case diameter gives the Lady-Datejust 179173-BLUSO a refined and feminine presence that sits gracefully on slender wrists without feeling delicate or fragile. The Oyster bracelet — Rolex's flagship three-link metal bracelet — adds structural confidence and a polished finish that ties the entire two-tone composition together beautifully. Whether worn to a boardroom, a formal dinner, or as an heirloom daily companion, this watch transitions effortlessly.

At Bizak & Co., we specialize in sourcing and presenting pre-owned and vintage Rolex timepieces with the care and expertise that these watches deserve. The Lady-Datejust 179173-BLUSO is a reference with strong collector appreciation and broad appeal, and acquiring it through a knowledgeable dealer means you benefit from transparent, honest representation of the piece. We invite you to contact Bizak & Co. at bizakandco.com to inquire about this specific reference, discuss condition and provenance, and make this exceptional Rolex part of your collection.