MB&F’s new Legacy Machine Sequential EVO has beauty with brains

The 20th calibre by the watch brand is its first ever chronograph, and has multiple timing modes

June 1, 2022: With MB&F’s tourbillon expertise comes a new talent – chronograph. The highly mechanical watch brand has introduced Legacy Machine Sequential EVO, which debuts MB&F’s 20th movement, in is first chronograph wristwatch. 

MB&F LM Sequential EVO

Conceived by one of the very earliest MB&F collaborators and Friends, Stephen McDonnell, the dial plate of LM Sequential EVO is available in atomic orange or coal black, and features two chronograph displays. One has its seconds display at 9 o’clock and minutes display at 11 o’clock. The other has its seconds display at 3 o’clock and minutes display at 1 o’clock. Each of these chronograph displays can be started, stopped, and reset completely independently of each other, using the start/stop and reset pushers on their respective sides of the case. These make up the four chronograph pushers you would usually associate with having two chronograph mechanisms in one watch.

However, there is a fifth pusher, located at the 9 o’clock position: the “Twinverter”. This pusher elevates the functionality of the LM Sequential EVO. It controls both chronograph systems, operating as a binary switch that inverts the current start/stop status of each chronograph. This means that if both chronograph displays happen to be stopped (at zero position or otherwise), pressing the Twinverter will cause both of them to start simultaneously. If they are both running, the Twinverter makes them stop. If one is running and the other is stopped, the Twinverter stops the one that is running and starts the one that is stopped.

MB&F LM Sequential EVO

The switch function, therefore, allows LM Sequential EVO to do unprecedented things, such as:

- “Independent mode”: measure the duration of multiple events with separate starting points and end points, even when the events overlap in timing;

- “Simultaneous mode”: measure the individual durations of two events that start simultaneously, but have different end points;

- “Cumulative mode”: measure the individual cumulative durations of two discontinuous events;

- “Sequential mode (or lap mode)”: measure the individual sub-durations of a single continuous multi-phase event, with provision for sub-durations that last over a minute.

Its zirconium case, 80 metres of water resistance and internal “FlexRing” damping system give unprecedented resilience to the complex movement. 

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