Rolex 278240-0011 Datejust 31mm Stainless Steel Oyster Mint Green Dial Watch

Rolex Datejust 31 — Ref. 278240-0011

The Rolex Datejust 31 Ref. 278240-0011 exemplifies understated luxury and timeless elegance. Crafted entirely from Oystersteel, this exquisite model radiates the signature strength and refinement that define the Rolex Datejust collection. The combination of a mint green dial adorned with baton hour markers and a smooth domed bezel creates a perfectly balanced aesthetic — classic, modern, and versatile enough for every occasion.

Case & Design

Measuring 31 mm in diameter, the Oyster case of this Datejust is both durable and elegant. Its monobloc middle case, crafted from corrosion-resistant Oystersteel, ensures exceptional resilience and a refined finish that maintains its luster through daily wear. The domed bezel in polished steel gives the watch a sleek, modern appearance, emphasizing the smooth curvature of the case and the meticulous craftsmanship that Rolex is renowned for.

Dial & Legibility

The mint green dial of the Ref. 278240-0011 offers a pristine canvas of clarity and sophistication. The elegant baton hour markers — crafted with high precision and coated for luminosity — ensure excellent readability in all lighting conditions. Complemented by the iconic Cyclops lens over the date window at 3 o’clock, this design element magnifies the date for effortless visibility, reflecting Rolex’s dedication to practicality and style.

Bracelet & Comfort

The watch features the timeless Oyster bracelet, composed of three-piece solid links that embody strength and reliability. Known for its robustness and comfort, the bracelet perfectly complements the watch’s contemporary yet classic design. Secured with a folding Oysterclasp and equipped with the Easylink comfort extension link, it allows the wearer to adjust the bracelet length by approximately 5 mm for a perfect fit in any situation.

Movement & Performance

Inside this sophisticated timepiece beats the Rolex Calibre 2236, a self-winding mechanical movement developed and manufactured entirely in-house. It features a Syloxi silicon hairspring for enhanced resistance to temperature variations, shocks, and magnetic fields. With a precision rate of −2/+2 seconds per day, the movement exceeds the standards of a Swiss chronometer. The power reserve of approximately 55 hours ensures reliable performance over long intervals between wears.

Technical Specifications

• Reference: 278240-0011
• Case Material: Oystersteel
• Case Diameter: 31 mm
• Bezel: Domed, polished steel
• Dial: Mint green with baton hour markers
• Bracelet: Oyster, flat three-piece links
• Clasp: Folding Oysterclasp with Easylink 5 mm extension
• Movement: Calibre 2236, automatic, self-winding
• Power Reserve: Approximately 55 hours
• Water Resistance: 100 meters / 330 feet
• Certification: Superlative Chronometer (COSC + Rolex certification)

Key Features 278240-0011

• Mint green dial: Minimalist and timeless, offering exceptional legibility.
• Baton hour markers: Elegant and contemporary design elements for clarity and precision.
• Domed bezel: Smooth, polished steel that enhances the watch’s sleek profile.
• Oyster bracelet: Durable, comfortable, and secure with the signature Rolex clasp.
• Calibre 2236 movement: State-of-the-art technology with high precision and reliability.

Conclusion

The Rolex Datejust 31 Ref. 278240-0011 is a masterclass in refined simplicity. With its mint green dial, baton hour markers, domed bezel, and robust Oyster bracelet, it embodies the versatility and elegance that define the modern woman’s timepiece. A perfect companion for both formal occasions and everyday wear, this watch reflects the timeless spirit of Rolex — precision, beauty, and excellence in every detail.