Perpetual Calendar from MB&F
Beginning with a blank sheet of paper, MB&F and independent Irish watchmaker Stephen McDonnell have completely reinvented that most traditional of horological complications: the perpetual calendar. The result is Legacy Machine Perpetual, featuring a visually stunning
The fact that the new complication looks sensational and can be fully appreciated
LM Perpetual features a fully integrated
The perpetual calendar is one of the great traditional complications, calculating the apparently random complexity of the varying numbers of days in each month − including the 29 days in February during leap years. But traditional perpetual calendars do have a few drawbacks: dates can skip; they are relatively easy to damage if adjusted while the date is changing; and the complications are usually compromises of modules powered by base movements.
The fully integrated,
Traditional perpetual calendar mechanisms use a
LM Perpetual turns the traditional perpetual calendar system on its head by using a «mechanical processor» instead of the conventional
With its open dial revealing the full complication and suspended balance, it’s the harmonious mechanical beauty of LM Perpetual that really steals the show. And in an interesting technical twist, that
Using an innovative system developed especially for Legacy Machine Perpetual, the subdials appear to «float» above the movement with no visible attachments. The skeletonised subdials rest on hidden studs, which is technically impossible with traditional perpetual calendar mechanisms because they would block the movement of the grand levier.
Taking a clockwise tour of the dial, at 12 o’clock we see the hours and minutes nestled between the elegant arches of the balance; day of the week at 3 o’clock, power reserve indicator at 4 o’clock, month at 6 o’clock, retrograde leap year indicator at 7 o’clock, and date at 9 o’clock.
LM Perpetual: complexity simplified with integrity and beauty.
Legacy Machine Perpetual launches with a limited edition of 25 pieces in 18K red gold and 25 pieces in platinum 950.