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MB&F Integrates “Magic Button” and Flyback Function Into Titanium LM Sequential Flyback Evo

MB&F LM Sequential Flyback EVO on wrist with aquamarine dial and white strap.

MB&F

The conceptual vision of horology has long been defined by the tension between aesthetic grace and mechanical utility. In the high-stakes world of independent watchmaking, few houses navigate this intersection with as much audacity as MB&F. Their latest revelation, the LM Sequential Flyback EVO, represents more than a mere iteration of a successful model; it is a profound realization of a dream deferred. What began in Geneva as a radical experiment in 2022 has now matured into a definitive statement on the ergonomics of time. By integrating a sophisticated flyback function into the already legendary twin-chronograph architecture, MB&F challenges our perception of what a physical instrument can achieve, transforming the wrist into a command center for multi-dimensional data tracking.

Floating view of MB&F LM Sequential Flyback EVO showing integrated strap architecture.
The EVO treatment features an ergonomic case architecture and a seamlessly integrated rubber strap designed for daily wear.

Technical mastery meets sensory experience in the construction of the new Grade 5 titanium case, a material chosen for its exceptional strength-to-weight ratio and its cool, tactile presence. Clad in a striking aquamarine dial plate, the timepiece evokes the clarity of glacial ice, a visual coolness that belies the frantic mechanical energy pulsating beneath the domed sapphire crystal. For the wearer, the experience is visceral; the absence of a traditional bezel allows the light to flood the darkened movement finishes, while the tilted time dial—canted at a precise angle for the driver’s or pilot’s gaze—ensures that the primary function of the watch remains intuitive amidst the complexity of the chronograph arrays.

Human-centric view of MB&F LM Sequential Flyback EVO highlighting ergonomic design.
Designed for a dynamic lifestyle, the EVO edition balances high-complication horology with everyday durability.

A groundbreaking mechanical breakthrough lies at the heart of this “engine,” conceived by the virtuosic Stephen McDonnell. The integration of the flyback system was no small feat, requiring nine months of rigorous prototyping in the Swiss Jura. The true secret to its fluid operation is a bespoke, internally-jewelled roller—a component so specialized that McDonnell had to hand-craft the initial jewels himself to prove the concept. This system minimizes friction to an almost molecular level, ensuring that the return-to-zero function never blocks, even when the dual vertical clutches are engaged in a high-energy “Sequential” mode. It is a masterclass in reducing mechanical parasitic loss, allowing two independent chronographs to thrive on a single escapement without compromising precision.

Macro detail of MB&F open-work movement and vertical clutch system.
A detailed view of the Sequential calibre, showcasing the patented internally-jewelled vertical clutches.

The EVO philosophy of durability transforms this piece from a museum-grade curiosity into a robust companion for a dynamic lifestyle. Designed for the rigor of the everyday, the LM Sequential Flyback EVO features the proprietary FlexRing shock-absorption system, a dampening interface that sits between the case and the movement like a high-performance suspension system. Combined with an 80-metre water resistance and a screw-down crown, the watch sheds the fragility often associated with high-complication horology. The integrated rubber strap ensures a seamless ergonomic flow, making the 44mm architecture feel remarkably agile on the wrist, whether navigating a corporate boardroom or a coastal drive in Saint-Tropez.

Low-angle view of MB&F case side showing "Flyback" pusher and movement.
The new flyback function is triggered by dedicated pushers, integrated into the robust EVO case design.

Unlocking the “Magic Button” functionality reveals the true genius of the Twinverter—a fifth pusher located at the 9 o’clock position. This binary switch acts as the conductor of the mechanical orchestra, allowing the wearer to invert the status of both chronographs simultaneously. In a single click, one can transition from timing a cumulative work project to tracking simultaneous laps at a circuit. The flyback function further elevates this, allowing for “stop, reset, and restart” with a single press. It is a level of utility that renders the traditional split-second chronograph almost archaic, offering a multi-modal versatility that mirrors the fragmented, multi-tasking nature of modern existence.

Detailed view of the 50-degree tilted time dial on the LM Sequential Flyback EVO.
Inherited from the classic edition, the tilted dial improves legibility for the wearer at a glance.

The contextual impact of this masterpiece extends far beyond its price tag of 188,000 CHF (approx. €202,549 or $237,240). It reaffirms the “concept laboratory” ethos of MB&F, proving that even the most celebrated designs are never truly finished—they are merely waiting for the technology to catch up with the vision. In an era where digital precision is ubiquitous, the LM Sequential Flyback EVO stands as a monument to the enduring power of the analog. It is a testament to the fact that when human-centric design meets uncompromising engineering, the result is not just a tool, but an architectural landmark for the wrist that captures the very essence of momentum.

Image courtesy of MB&F

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