Rolex Lady-Datejust 26 26 mm 179174-BLUCAO Steel/White Gold Blue Rolex Lady-Datejust 26 26 mm 179174-BLUCAO Steel/White…

The Rolex Lady-Datejust is one of the most enduring icons in watchmaking history, introduced as the world's first self-winding waterproof wristwatch with a date display scaled specifically for the feminine wrist. Since its debut in 1957, the Lady-Datejust has represented a seamless union of horological precision and refined elegance, earning its place as the definitive dress watch for women across generations. Reference 179174-BLUCAO sits within the 26mm generation of this celebrated line, a size that has become synonymous with timeless, understated luxury.

The case of the 179174-BLUCAO measures a classic 26mm in diameter and is constructed from a combination of Oystersteel and 18k white gold—a pairing that delivers the robustness of Rolex's proprietary steel alloy alongside the cool, bright luster of white gold. The fluted bezel in 18k white gold is one of Rolex's most recognizable design signatures, its precisely machined grooves catching the light and framing the dial with architectural precision. Water resistance to 100 meters (330 feet) ensures the watch is as capable as it is beautiful.

The dial of the 179174-BLUCAO is designated BLUCAO, denoting the blue concentric-circle pattern with Arabic numerals—a refined combination that gives this reference a distinctive personality within the broader Lady-Datejust catalog. The concentric guilloche-style rings radiate outward across the dial surface, creating depth and movement that shifts with the light, while the Arabic numeral indices add a contemporary, legible character that distinguishes it from the more traditional baton or Roman numeral variants. The result is a dial that feels both modern and collectible.

Powering the watch is a Rolex automatic movement, delivering the brand's hallmark reliability and accuracy without any need for manual winding during regular wear. Rolex's self-winding mechanisms are manufactured and assembled in-house to exacting tolerances, ensuring that the Lady-Datejust performs with the consistency collectors and everyday wearers expect from the crown. The Oyster bracelet integrates seamlessly with the case, its three-link construction providing comfort and security on the wrist.

On the wrist, the 26mm case is a study in proportion—substantial enough to read clearly and command attention, yet refined enough to sit gracefully beneath a shirt cuff or alongside a statement bracelet. The interplay between the blue dial, the white gold fluted bezel, and the Oystersteel Oyster bracelet creates a watch of genuine visual sophistication that works equally well as an heirloom piece and as an everyday companion.

At Bizak & Co., we specialize in sourcing and presenting pre-owned and vintage Rolex timepieces of the highest caliber, and the Lady-Datejust 179174-BLUCAO represents exactly the kind of rare, character-rich reference our clients seek. Whether you are adding to a collection, searching for a meaningful gift, or buying your first luxury watch, our team is ready to guide you through every detail. Browse our full inventory at bizakandco.com or contact us directly to inquire about this reference—we are here to help you buy with confidence.