Pioneer • MonoControlModel 723.220-6428 By Hanhart
The Pioneer MonoControl is reminiscent of the first mono-pusher chronograph produced by Hanhart. In as early as 1938, the brand designed a mono-pusher precision chronograph for naval officers which featured Hanhart's own "Calibre 40". The technical design with a single pusher is also the trademark feature of the Pioneer MonoControl. This meant that the automatic calibre used had to be redesigned slightly in Hanhart's own workshops.
HAN3911 modified automatic chronograph movement (bicompax), based on the Valjoux 7750 calibre, with increased crown-to-button spacing and single-button conversion;
28,800 vibrations per hour, 4 Hz;
Rotor with a skeletonised Hanhart logo;
Power reserve of min. 42 hours
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