Rolex Steel and White Gold Datejust 31 Watch - Domed Bezel - Black Roman Dial - Oyster Bracelet - bkro — Ref. 278240
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We certify all our items as authentic, providing you with a guarantee of quality and craftsmanship.
The Rolex Steel and White Gold Datejust 31 Watch, reference 278240, represents one of Rolex's most sought-after classic designs. This 31mm case combines Oystersteel with white gold, creating a sophisticated two-tone aesthetic that appeals to both collectors and everyday wearers. The Datejust 31 has maintained its timeless appeal for decades, making this reference a standout choice for those seeking luxury and heritage in a refined package.
The dial features elegant Black Roman numerals that contrast beautifully against the dark background, providing exceptional legibility and understated sophistication. The domed bezel adds dimensional depth to the watch's profile while enhancing its classic proportions. The matching Oyster bracelet, crafted with precision engineering, offers secure comfort and complements the case's two-tone composition perfectly.
Powered by the Rolex Caliber 2236 manufacture movement, this timepiece delivers approximately 55 hours of power reserve for reliable daily performance. The Date window function provides practical utility without complicating the dial's clean aesthetic. The movement's robust engineering ensures the dependable accuracy Rolex is renowned for worldwide.
Available now at Diamond Club Jewelry Miami — every timepiece is 100% authenticated and verified before sale.
| Reference | 278240 |
| Case | 31mm Oystersteel |
| Dial | Black Roman Dial |
| Caliber | 2236, manufacture Rolex |
| Power reserve | ~55 hours |
| Functions | Date |
| Bracelet / Strap | Oyster bracelet |
| Water resistance | 100m / 330ft |
Best Deal Guarantee
At Diamond Club Miami, we ensure you receive the best value on luxury watches. Our commitment goes beyond just offering competitive prices. We prioritize genuine quality and exceptional craftsmanship, ensuring you acquire a truly fine timepiece. Additionally, enjoy complimentary domestic shipping as our standard service. With Diamond Club Miami, you always get the best deal.
Authenticity Guarantee
Each of our watches undergoes meticulous inspection by a master watchmaker, ensuring authenticity. If we enhance a pre-owned watch with a customized bezel, gem, or other adornment during restoration, we will fully disclose these modifications. Such enhancements are standard in the industry and often result in increased value. Your satisfaction and trust are our top priorities.

