legacy machine perpetual

legacy machine perpetual

 
 

About

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 in-house movement, which was developed from the ground up to eliminate the drawbacks of conventional perpetual calendars.

The fact that the new complication looks sensational and can be fully appreciated dial-side is just one of the many benefits offered by the new movement, controlled by a “mechanical processor” (patent pending).

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 constructions of the complication is usually a compromise consisting of a module powered by a base movements.

The 581-component, fully integrated and purpose-built movement of Legacy Machine Perpetual has been designed from scratch for trouble-free use: no more skipping dates or jamming gears, and the adjuster pushers automatically deactivate when the calendar changes, so no problems there either.

Legacy Machine Perpetual : complexity simplified with integrity and beauty.

Legacy Machine Perpetual launches with a limited edition of 25 pieces in 18K 5N+ red gold and 25 pieces in platinum 950.

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  • LM Perpetual RG
  • LM Perpetual PT
LM Perpetual Front RG
LM Perpetual RG
LM Perpetual Profile RG
LM Perpetual Face PT
LM Perpetual Profile PT
LM Perpetual Face RG
LM Perpetual Front PT
LM Perpetual PT

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engine

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  • BACK

collection

03RLW.png

03.RL.W
LM Perpetual Red Gold – 18K 5N+ red gold
Limited edition of 25 pieces

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03.PL.W
LM Perpetual Platinum – Platinum 950
Limited edition of 25 pieces

specs & manual

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  • view manual

Limited launch editions of 25 pieces in 18K red gold and 25 pieces in platinum 950.

Case

  • Material: launch editions in 18K 5N+ red gold or platinum 950
  • Dimensions: 44 mm x 17.5 mm
  • Number of components: 69 components
  • Water resistance: 30 m / 90' / 3 atm

Engine

  • 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 throughout respecting 19th century style: internal bevel angles highlighting hand craft; polished bevels; Geneva waves; hand-made engravings.
  • Power reserve: 72 hours
  • Balance frequency: 18,000bph / 2.5Hz
  • Number of components: 581
  • Number of jewels: 41

Functions/indications

  • Hours, minutes, day, retrograde date, month, retrograde leap year and power reserve indicators.

Sapphire crystals

  • Sapphire crystals on top and display back treated with anti-reflective coating on both faces.

Strap & Buckle

  • Black or dark brown hand-stitched alligator strap with gold / platinum folding buckle matching case material.

Accessories

accessories

Click here to download the manual in pdf format.