Calibre VMF 4000 was a double-barrel automatic movement designed by Vaucher Manufacture Fleurier before 2010. In 2011, the company launched Cal. VMF 3000, a 10.5 ligne version for OEM customers, and later added Cal. VMF 3022, a 11.5 ligne version.
See Also: Parmigiani Fleurier PF310 Family
