The Rolex Datejust 31 reference 278271 represents a harmonious marriage of strength and elegance. Crafted in Everose Rolesor, this model brings together the industrial resilience of Oystersteel and the refined luxury of 18k Everose gold. The 31mm Oyster case provides a modern, versatile fit that transitions effortlessly from daytime professional settings to formal evening engagements. Equipped with a latest generation mechanical movement, this timepiece is a certified Superlative Chronometer, offering world class precision and the enduring style that has defined the Datejust collection since 1945.
The Radiance of Everose Rolesor
Rolesor has been a signature Rolex feature since the early 1930s, creating a striking contrast between two distinct metals. In the reference 278271, the bezel, winding crown, and center bracelet links are fashioned from 18k Everose gold, an exclusive pink gold alloy created and cast in the proprietary Rolex foundry. This precious metal is known for its unique hue and its ability to maintain its brilliance over time. The fluted bezel, a hallmark of Rolex distinction, is expertly faceted to catch and reflect light, providing a brilliant frame for the meticulously crafted dial.
Mechanical Innovation and Performance
Beneath the elegant exterior lies the Calibre 2236, a self-winding mechanical movement entirely developed and manufactured by Rolex. This movement features the patented Syloxi hairspring in silicon, which is completely insensitive to magnetic interference and remains exceptionally stable in the face of temperature variations. The hairspring geometry ensures regular oscillations in any position, allowing the watch to maintain a precision of minus 2 to plus 2 seconds per day. With a power reserve of approximately 55 hours, the 278271 offers the reliability and autonomy required by a modern lifestyle.
Iconic Design and Practicality
The dial is protected by a scratch-resistant sapphire crystal featuring the famous Cyclops lens at 3 o’clock. This lens magnifies the date display two and a half times, making it legible at a single glance. The watch is fitted on either the five-piece link Jubilee bracelet or the three-piece link Oyster bracelet, both of which incorporate the Easylink comfort extension system. This practical feature allows the wearer to increase the bracelet length by approximately 5mm without tools, ensuring a perfect fit as the wrist expands and contracts throughout the day.
Technical Specifications
| Feature | Detail |
| Case Diameter | 31 mm |
| Material | Everose Rolesor (Oystersteel and 18k Everose Gold) |
| Bezel | Fluted 18k Everose Gold |
| Movement | Perpetual, mechanical, self winding Calibre 2236 |
| Precision | -2/+2 sec/day, after casing |
| Power Reserve | Approximately 55 hours |
| Water Resistance | 100 meters / 330 feet |
| Bracelet | Oyster or Jubilee with Easylink extension |






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