Rolex Steel and White Gold Datejust 31 Watch - Domed Bezel - Green Index Dial - Oyster Bracelet - mgio — 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, reference 278240, represents the pinnacle of luxury watchmaking for discerning collectors. This timepiece features a refined 31mm Oystersteel case that perfectly balances elegance with durability. The reference 278240 is particularly coveted for its exclusive combination of stainless steel and white gold construction, creating a sophisticated two-tone aesthetic that elevates any collection.
The stunning Mint Green Index dial immediately captures attention with its contemporary color and classic Rolex design language. A domed bezel frames the dial with characteristic Rolex precision, adding depth and visual appeal to the watch face. The iconic Oyster bracelet seamlessly complements the case, offering the perfect blend of comfort and prestige with secure engineering that Rolex is renowned for worldwide.
Powered by the Rolex caliber 2236 manufacture movement, this watch delivers an impressive 55-hour power reserve for reliable everyday wear. The Date complication provides practical functionality, while the movement's precision engineering ensures consistent accuracy and longevity that makes Rolex timepieces legendary investments.
Available now at Diamond Club Jewelry Miami — every timepiece is 100% authenticated and verified before sale.
| Reference | 278240 |
| Case | 31mm Oystersteel |
| Dial | Mint Green 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.

