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拍品專文
The stunning Legacy Machine Perpetual is a horological masterpiece that, in true MB&F fashion, reimagines an entirely new concept for one of the most traditional watch complications: the perpetual calendar. Imagined as a collaboration between MB&F and independent watchmaker Stephen McDonnell, they rethought the perpetual calendar complication from the ground up in order to develop a system that is both more user friendly and more reliable in operation. The result is not only highly impressive in appearance but also seamlessly integrates the new perpetual calendar system into MB&F’s Legacy Machine family as a creation of breathtaking three-dimensional beauty. Furthermore, because this new system is constructed in an entirely different way to a conventional perpetual calendar mechanism, it provided the opportunity for MB&F to produce a movement with an aesthetic that would have been impossible using traditional construction.
The Legacy Machine Perpetual
Beyond the standard hours and minutes, the Legacy Machine Perpetual also features: day of the week, date, months, retrograde leap-year and power reserve indicators. The real game changer is the in-house manual winding movement powered by two mainspring barrels providing a power reserve of 72 hours. At the heart of the innovation is a completely revolutionary ‘mechanical processor’ for the perpetual calendar that uses a new system to calculate the number of days in the month based on a 28-day month as its default number of days, intelligently adding days as required to reach 30 or 31. The result is a fool-proof system that self-protects itself from incorrect manipulation by automatically deactivating the adjuster pushers when the calendar is changing.
The concept of this new perpetual calendar is based on a series of superimposed discs and planetary cam which have the added advantage of enabling the inclusion of a quick-set feature for the year, so that it can be easily adjusted to display correctly in the four-year cycle. Most importantly, this new architecture allows for the full skeletonization of the movement, never achievable before in perpetual calendars due to the dense layering of components in conventional designs.
The Legacy Machine Perpetual
Beyond the standard hours and minutes, the Legacy Machine Perpetual also features: day of the week, date, months, retrograde leap-year and power reserve indicators. The real game changer is the in-house manual winding movement powered by two mainspring barrels providing a power reserve of 72 hours. At the heart of the innovation is a completely revolutionary ‘mechanical processor’ for the perpetual calendar that uses a new system to calculate the number of days in the month based on a 28-day month as its default number of days, intelligently adding days as required to reach 30 or 31. The result is a fool-proof system that self-protects itself from incorrect manipulation by automatically deactivating the adjuster pushers when the calendar is changing.
The concept of this new perpetual calendar is based on a series of superimposed discs and planetary cam which have the added advantage of enabling the inclusion of a quick-set feature for the year, so that it can be easily adjusted to display correctly in the four-year cycle. Most importantly, this new architecture allows for the full skeletonization of the movement, never achievable before in perpetual calendars due to the dense layering of components in conventional designs.