Rolex Datejust 31 – Ref. 278344RBR-0015
The Rolex Datejust 31 Ref. 278344RBR-0015 epitomizes refined elegance with its balanced blend of classic design and modern touches. Crafted in White Rolesor — the harmonious combination of Oystersteel and 18 ct white gold — this model features a pink sunray dial, clean stick (baton) hour markers, a domed diamond-set bezel, and the durable Oyster bracelet. Its design reflects Rolex’s mastery of understated luxury and daily functionality.
Case Bezel
The watch features a 31 mm Oyster case, made from corrosion-resistant Oystersteel, paired with a white gold domed bezel exquisitely set with diamonds. Rolex’s gem-setters precisely carve gold seats for each stone, ensuring symmetry, alignment, and brilliance. The combination reinforces the elegant White Rolesor aesthetic — strength and radiance in one design. The architecture includes a screw-down crown with Twinlock waterproofing, offering water resistance up to 100 meters / 330 feet.
Dial Hour Markers
At its heart lies a pink sunray-finish dial, which captures and diffuses light in soft tonal variations across the surface. Applied to this dial are polished stick (baton) hour markers, providing clarity and a modern aesthetic. The slim polished hands enhance legibility, while the date window at 3 o’clock is magnified by the iconic Cyclops lens for easy reading.
Bracelet Comfort
The 278344rbr-0015 is paired with the sturdy Oyster bracelet, composed of three-piece solid links in Oystersteel. Known for its sporty elegance and durability, the bracelet complements the refined character of the watch. A folding Oysterclasp secures the bracelet, and includes the Easylink 5 mm extension system, allowing quick micro-adjustments for added comfort.
Movement Precision
Powering Ref. 278344RBR-0015 is the in-house Rolex Calibre 2236, a self-winding mechanical movement featuring the Syloxi silicon hairspring and Paraflex shock absorbers for enhanced stability under environmental stress. Certified as a Superlative Chronometer, it maintains precision within −2/+2 seconds per day post-casing. The movement offers a power reserve of approximately 55 hours.
Specifications at a Glance
- Reference: 278344RBR-0015
- Case: 31 mm Oystersteel with 18 ct white gold
- Bezel: Diamond-set, domed white gold
- Dial: Pink sunray with stick (baton) hour markers
- Bracelet: Oyster in Oystersteel, folding Oysterclasp + Easylink
- Movement: Rolex Calibre 2236, automatic
- Power Reserve: ~55 hours
- Water Resistance: 100 m / 330 ft
- Certification: Superlative Chronometer (COSC + internal testing)
Key Selling Points
- Pink sunray dial: Adds a touch of softness and modern femininity.
- Baton hour markers: Clean, legible, and contemporary in design.
- Domed diamond-set bezel: Brings refined sparkle without overshadowing the dial.
- White Rolesor construction: A signature pairing of steel strength and gold luminosity.
- Oyster bracelet: Balances sporty durability with elegance and comfort.
- Calibre 2236 excellence: Modern movement guaranteeing high precision and durability.
Conclusion
The Rolex Datejust 31 Ref. 278344RBR-0015 offers a refined balance of elegance, luxury, and practical performance. Its pink dial with stick markers, diamond-set domed bezel, and robust Oyster bracelet combine to create a timepiece suited for any occasion—from daytime wear to evening elegance. With Rolex’s commitment to precision, craftsmanship, and longevity built into every detail, this model is a centuries-proof investment in style and function.
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