The Rolex Lady-Datejust 26 Ref. 179173 in the BKSJ configuration is a highly iconic and classic timepiece from the previous 26 mm generation, showcasing the celebrated two-tone combination of Yellow Rolesor (Oystersteel and 18K Yellow Gold). The watch is framed by the signature 18K Yellow Gold Fluted Bezel, a defining Rolex feature that provides brilliant light reflection. The dial features a classic Black Sunbeam finish , which is a variation of the sunray effect, offering a beautiful light play and exceptional contrast against the warm gold. The dial utilizes clean Applied Index Hour Markers (batons), set in 18K Yellow Gold, maintaining superb clarity and a refined, uncluttered look.
Key Features
| Case | Material | Yellow Rolesor (Oystersteel and 18K Yellow Gold) |
| Dimensions | ( ) |
|
| Water Resistance | ( ) | |
| Bezel | Fluted 18K Yellow Gold (Rolex’s signature design) | |
| Crystal | – | |
| Reference | 179173BKSJ | |
| Dial | Color | Black Sunbeam (Classic black finish with sunray variation) |
| Markers | Applied Index Hour Markers (Batons in 18K Yellow Gold) | |
| Aesthetic | Sharp black dial with clean index markers and iconic fluted bezel | |
| Movement | Type | Perpetual, mechanical, self-winding |
| Power Reserve | Approximately |
|
| Caliber | ( ) | |
| Technology | ||
| Bracelet/Strap | Material | Jubilee Yellow Rolesor (five-piece links) |
| Clasp | Concealed folding Crownclasp | |
| Additional Info | Watch Style | Classic Two-Tone Dress Watch / Iconic Fluted Bezel |
| Certification | ||
| Key Features | Fluted Bezel, Black Sunbeam Dial, Jubilee Bracelet, Yellow Rolesor | |
| Rolesor | () () |










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