September 18, 2025
The new Bell & Ross BR-X3 represents a calculated engineering exercise: the integration of the high-performance, Kenissi-produced BR-CAL.323 caliber into the brand’s iconic BR-03 square case architecture. This strategic merger combines a modern, feature-rich movement with a proven and recognizable chassis, resulting in a technically distinct timepiece.
Case Specifications and Dimensions
The BR-X3 maintains the BR-03 series’ standard 41mm width, but its case thickness is increased to 13.3mm to accommodate the new movement. This is a notable 2.7mm thicker than a standard BR-03 model and 0.5mm thicker than the BR-X5, the original housing for this caliber. The case is topped with a flat sapphire crystal and features a screw-down crown, ensuring a water resistance rating of 100 meters. The construction demonstrates a clear focus on adapting the established form factor for enhanced mechanical complexity.
Engineering Details: The BR-CAL.323 Caliber
At the heart of the BR-X3 is the Calibre BR-CAL.323, a movement manufactured by Kenissi exclusively for Bell & Ross. It is a COSC-certified chronometer, guaranteeing a high standard of precision. The caliber operates at a frequency of 28,800 vph (4Hz) and delivers a robust 70-hour power reserve. Functionally, it drives a prominent power reserve indicator, designed in a fuel gauge style, and a multi-day date display visible through a three-date window. A sapphire display caseback is fitted to allow for observation of the movement’s mechanics.
Advanced Materials and Construction
The BR-X3 is available in two material options: stainless steel or Grade 2 titanium. The titanium model incorporates black DLC (Diamond-Like Carbon) accents on the bezel and crown for increased scratch resistance and a tactical aesthetic. The multi-part case construction includes colored accent rings around the bezel—blue on the steel model and black on the titanium—which highlights its layered design. The watch is secured by a perforated rubber strap engineered to flare out to the full width of the lugs, creating a cohesive and integrated profile on the wrist.
In conclusion, the Bell & Ross BR-X3 is a successful technical synthesis. It leverages the robust performance of a COSC-certified manufacture caliber and thoughtfully re-engineers the classic BR-03 case to support it. The final product is a testament to precision componentry, durable materials, and purposeful horological design.
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