The Rolex Lady-Datejust 26 Ref. 179178 in the WSO configuration is an exquisite and highly exclusive timepiece from the previous 26 mm generation, defined by its opulent construction entirely in 18K Yellow Gold. This model represents the ultimate expression of luxury in the Datejust line. The watch is instantly recognizable due to its solid 18K Yellow Gold Fluted Bezel, a signature Rolex element renowned for its geometric precision and breathtaking light-catching brilliance.
The centerpiece of this sophisticated timepiece is the crisp White Dial . This bright, clean color provides superb contrast and a timeless, highly legible aesthetic against the warm tones of the case. The dial is marked by clean Applied Index Hour Markers (batons), which are meticulously set in 18K Yellow Gold. This minimalist marker set ensures superb clarity and maintains a classic, balanced proportion against the dial’s pristine finish, reflecting the watch’s solid gold status.
Key Features
| Case | Material | 18K Yellow Gold (Solid Gold Construction) |
| Dimensions | 26 mm (Previous generation size) | |
| Water Resistance | ( ) | |
| Bezel | Fluted 18K Yellow Gold (Rolex’s signature design) | |
| Crystal | – | |
| Reference | 179178WSO | |
| Dial | Color | White (Bright, clean finish) |
| Markers | Applied Index Hour Markers (Batons in 18K Yellow Gold) | |
| Aesthetic | Classic white dial with clean index markers and the signature fluted bezel | |
| Movement | Type | Perpetual, mechanical, self-winding |
| Power Reserve | Approximately 50 |
|
| Caliber | Calibre 2235 (Previous generation movement) | |
| Technology | Parachrom hairspring, Superlative Chronometer | |
| Bracelet/Strap | Material | Oyster (three-piece links) in 18K Yellow Gold |
| Clasp | Folding Oysterclasp with Easylink extension link | |
| Additional Info | Watch Style | Full-Gold Luxury Dress Watch / Iconic Fluted Bezel |
| Certification | ||
| Key Features | Full 18K Yellow Gold, Fluted Bezel, White Index Dial, Oyster Bracelet | |
| Construction | All components (Case, Bezel, Bracelet) are 18K Yellow Gold |










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