page_title: MB&F
section_title: Legacy Machine Perpetual (LM Perpetual)
hierarchical_section_title: MB&F / Machine Collections / Legacy Machines / Legacy Machine Perpetual (LM Perpetual)
caption_attribution_description: English: http://www.mbandf.com/machines/legacy-machines/lmperpetual/#/intro
context_page_description: Maximilian Busser and Friends, normally shortened down to MB&F, is a Swiss watch brand founded by Maximilian Busser in July 2005 and based in Geneva, Switzerland.
context_section_description: In 2015, MB&F presented Legacy Machine Perpetual featuring a revolutionary new perpetual calendar architecture. LM No.1 has a large-diameter suspended balance with traditional Breguet overcoil suspended over on the dial from twin arches with the complete perpetual calendar complication visible on full display above the movement plate.
  Functions and features:
  Hours, minutes, day, date, month, retrograde leap year and power reserve indicators.
  Movement:
  Fully integrated perpetual calendar developed for MB&F by Stephen McDonnell, featuring dial-side complication and mechanical processor system architecture with inbuilt safety mechanisms.
caption: Legacy Machine Perpetual
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