Rolex Datejust 31 Ref. 278384RBR-0026 – Dark Grey Dial with Diamond Bezel
The Rolex Datejust 31 Ref. 278384RBR-0026 is a masterpiece of refined luxury and enduring elegance. Crafted from Rolesor—the harmonious combination of Oystersteel and 18 ct white gold—this ladies’ timepiece reflects the timeless sophistication that has made the Datejust collection a global icon. Its dark grey dial, paired with the luminous sparkle of a diamond-set bezel, achieves the perfect balance between subtle grace and radiant prestige.
Elegant Design and Radiant Details
The dark grey dial of this Datejust 31 offers a depth and texture that instantly captivates the eye. Adorned with polished Roman numeral hour markers—each meticulously applied by hand—it captures both classicism and modern refinement.
Encircling the dial is the magnificent bezel set with round brilliant-cut diamonds. Each diamond is selected according to exacting standards for clarity, color, and cut, ensuring unmatched brilliance and precision. Their flawless sparkle accentuates the grey tone of the dial, creating a visual harmony that’s both bold and refined. Every stone is carefully positioned to deliver an impeccable and even radiance under any light condition.
Rolesor Brilliance and Jubilee Comfort
The watch case, crafted in Oystersteel with an 18 ct white gold bezel, exemplifies the unique duality of Rolesor—strength and sophistication united in one. The accompanying Jubilee bracelet, introduced in 1945 for the first Datejust, enhances comfort and elegance. Its five-piece links flow smoothly on the wrist, secured with a concealed Crownclasp that preserves the bracelet’s seamless aesthetic while offering reliable security.
Precision and Performance
At the heart of the Rolex Datejust 31 Ref. 278384RBR-0026 beats the advanced Calibre 2236—a self-winding mechanical movement developed and manufactured entirely by Rolex. Featuring the Syloxi silicon hairspring, this movement offers exceptional resistance to magnetic fields, shocks, and temperature variations. With a power reserve of approximately 55 hours and a precision of −2/+2 seconds per day after casing, the Datejust 31 guarantees impeccable reliability for daily wear.
Timeless Femininity
The combination of dark grey hues, diamond brilliance, and white gold elegance positions this reference among the most distinguished expressions of feminine luxury in the Datejust line. Whether paired with an evening gown or worn as an everyday signature, the 278384RBR-0026 exudes poise, grace, and quiet confidence.
Key Features
- Reference: 278384RBR-0026
- Case: 31 mm Oystersteel and 18 ct white gold Rolesor
- Bezel: Set with brilliant-cut diamonds
- Dial: Dark grey with Roman numerals
- Bracelet: Jubilee, five-piece links, concealed Crownclasp
- Movement: Calibre 2236, automatic, 55-hour power reserve
- Water resistance: 100 meters / 330 feet
Rolex Datejust 31 Ref. 278384RBR-0026—a watch that transcends time, blending Rolex’s mechanical mastery with timeless feminine allure.

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