Rolex Steel and White Gold Datejust 31 Watch - Domed Bezel - Silver Index Dial - Oyster Bracelet - sio — Ref. 278240
Authenticity Guaranteed
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 (Ref. 278240) represents the pinnacle of luxury sports elegance combined with everyday versatility. This exceptional timepiece features a 31mm Oystersteel case that delivers the perfect balance between presence and wearability. The reference 278240 stands out in the Datejust collection for its refined proportions and sophisticated two-tone aesthetic, making it an ideal choice for those seeking a refined yet contemporary luxury watch.
The striking Silver Index dial provides a clean, legible canvas that showcases Rolex's commitment to functional design and timeless aesthetics. The iconic domed bezel frames the dial perfectly, adding depth and visual interest while maintaining the watch's classic silhouette. The Oyster bracelet is engineered with precision, offering both comfort and durability with its seamless integration to the case.
Powered by the Rolex Caliber 2236 manufacture movement, this watch delivers approximately 55 hours of power reserve for uninterrupted timekeeping. The date complication appears through the signature cyclops magnifying lens, combining practical functionality with iconic design. Water resistance to 100 meters ensures reliable performance across daily activities and water sports.
Available now at Diamond Club Jewelry Miami — every timepiece is 100% authenticated and verified before sale.
| Reference | 278240 |
| Case | 31mm Oystersteel |
| Dial | Silver Index 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.

