Fully integrated perpetual calendar developed for MB&F by Stephen McDonnell, featuring dial-side complication and mechanical processor system architecture with inbuilt safety mechanism. Manual winding with double mainspring barrels. Bespoke 14mm balance wheel with traditional regulating screws visible on top of the movement. Superlative hand finishing respecting 19th century style. Contains 581 components and 41 jewels.
Movement Type
Manual Wind
Jewel Count
41 jewels
Power Reserve
72h
Frequency
18,000 vph (5 Hz)
Display Type
Analog
BRAND
MB&FTYPE
Manual WindSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2015CALIBER FAMILY
Legacy MachineCOUNTRY
SwitzerlandALSO KNOWN AS
