MB&F's first chronograph and 20th caliber. Fully integrated dual chronograph system developed for MB&F by Stephen McDonnell, featuring the innovative 'Twinverter' switch allowing multiple timing modes including independent, simultaneous, cumulative, and sequential/lap modes. Double mainspring with flying balance wheel with regulating screws at 12 o'clock. Breguet overcoil hairspring. Superlative hand finishing with darkened bridges (NAC finish). Contains 585 components and 59 jewels.
Movement Type
Manual Wind
Jewel Count
59 jewels
Power Reserve
72h
Frequency
21,600 vph (6 Hz)
Display Type
Analog
BRAND
MB&FTYPE
Manual WindSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2022CALIBER FAMILY
Legacy MachineCOUNTRY
SwitzerlandALSO KNOWN AS