The Rolex Lady-Datejust 28 Ref. 279136 in the IBLSRDP configuration represents the absolute zenith of luxury within the brand’s contemporary collection, defined by its exclusive construction entirely in Platinum 950. This noble metal, significantly denser and rarer than gold, gives the modern 28 mm case and the entire structure a unique, subtle, cool luster and an incomparable, substantial weight on the wrist. The watch’s status as a high-jewelry piece is instantly recognized by the magnificent Factory Diamond-Set Bezel, featuring a continuous, brilliant arrangement of diamonds that creates an intense, fiery halo around the most exclusive dial color offered by the brand.
The undeniable centerpiece of this reference is the signature Ice Blue Sunray Finish Star/Diamond Dial . This distinct, soft metallic blue hue, often referred to as Glacier Blue, is a color reserved exclusively by Rolex for timepieces cased entirely in Platinum. The unique, cool-toned backdrop is opulently finished with 10 brilliant-cut diamond indices, each meticulously set in high-grade Platinum. The complex SRDP suffix suggests an elevated style of diamond setting, often including star-shaped settings or a mixture of cuts, defining an aesthetic that is both discreetly luxurious and profoundly spectacular.
Key Features
| Case | Material | Platinum 950 (Solid Platinum Construction) |
| Dimensions | 28 mm (Modern generation size) | |
| Water Resistance | ( ) | |
| Bezel | Factory Diamond-Set Platinum (High-prestige diamond frame) | |
| Crystal | – | |
| Reference | 279136IBLSRDP | |
| Dial | Color | Ice Blue (Glacier Blue) (Sunray finish, exclusive to Platinum models) |
| Markers | Star/Diamond Set Hour Markers (in Platinum settings, often 10 diamonds) | |
| Aesthetic | Exclusive Ice Blue dial with diamonds and a dazzling diamond bezel | |
| Movement | Type | Perpetual, mechanical, self-winding |
| Power Reserve | Approx. 55 hours | |
| Caliber | Calibre 2236 (Modern movement with Syloxi hairspring) | |
| Technology | Superlative Chronometer | |
| Bracelet/Strap | Material | President (semi-circular three-piece links) in 18K White Gold |
| Clasp | Concealed folding Crownclasp | |
| Additional Info | Watch Style | Platinum High-Jewelry Dress Watch (Rolex’s ultimate luxury metal) |
| Certification | ||
| Key Features | Full Platinum 950, Diamond Bezel, Ice Blue Diamond Dial, President Bracelet | |
| Construction | All components (Case, Bezel, Bracelet) are Platinum 950 |










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