The Rolex Lady-Datejust 26 Ref. 179173 in the MTDJ configuration is an exceptional and highly exclusive timepiece from the previous 26 mm generation, celebrated for its use of a unique, natural material. This model is constructed using the iconic two-tone aesthetic, known as Yellow Rolesor (the harmonious fusion of Oystersteel and 18K Yellow Gold). The watch gains immediate recognition and a brilliant, sparkling effect from its iconic 18K Yellow Gold Fluted Bezel, a signature Rolex element renowned for its geometric texture and exceptional light reflection.
The absolute centerpiece of this timepiece is the extremely rare Meteorite Diamond Dial . This dial is crafted from a slice of Gibeon meteorite, a material that traveled through space before landing on Earth. Its surface reveals the stunning, naturally occurring Widmanstätten patterns—intricate metallic crystalline structures unique to extraterrestrial iron. Adorning this mesmerizing, naturally grey-toned surface are sparkling Diamond Hour Markers (typically 10 brilliant-cut stones), which are elegantly set in 18K Yellow Gold, ensuring superb clarity and maximum brilliance against the backdrop of cosmic rarity.
Key Features
| Case | Material | Yellow Rolesor (Oystersteel and 18K Yellow Gold) |
| Dimensions | 26 mm (Previous generation size) | |
| Water Resistance | ( ) | |
| Bezel | Fluted 18K Yellow Gold (Rolex’s signature design) | |
| Crystal | – | |
| Reference | 179173MTDJ | |
| Dial | Color | Meteorite (Natural, grey-toned with Widmanstätten patterns) |
| Markers | Diamond Hour Markers (in 18K Yellow Gold) | |
| Aesthetic | Extremely rare dial material with unique crystalline structures and diamond markers | |
| Movement | Type | Perpetual, mechanical, self-winding |
| Power Reserve | Approximately 50 |
|
| Caliber | Calibre 2235 (Previous generation movement) | |
| Technology | Parachrom hairspring, Superlative Chronometer | |
| Bracelet/Strap | Material | Jubilee Yellow Rolesor (five-piece links) |
| Clasp | Concealed folding Crownclasp | |
| Additional Info | Watch Style | High-Luxury Two-Tone Dress Watch / Exotic Dial |
| Certification | ||
| Key Features | Fluted Bezel, Meteorite Diamond Dial, Jubilee Bracelet, Yellow Rolesor | |
| Rolesor | () () |










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