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MB&F Legacy Machine No. 1

The Legacy Machine no. 1 is a watch from MB&F.

Introduced in 2011, the LM1 differs greatly from the Horological Machine No. 1 and its successors. It has the appearance of a traditional round watch, though it is no less technically advanced than its predecessors.

The LM1 features two subdials at 3 00 and 9 00 with a large balance suspended above them at the center via two bridges mounted around 12 00. The movement was created by a team lead by Jean-François Mojon and is constructed by Kari Voutilainen. It was designed to evoke classic pocket watches. The 14 mm balance beats at just 18,000 A/h, becoming the focal point of the watch face under a domed crystal. Also visible above the dial are a Breguet overcoil hairspring and the escapement.

Unlike the four-barrel Horological Machine, the Legacy Machine uses a single barrel and escapement to drive two separate time dials. These may be set independently using crowns on each side at 4 00 and 8 00. Only the 4 00 crown is used to wind the manually-wound movement. An unusual vertical power reserve indicator is placed at 6 00, measuring 45 hours.

The case is quite understated for MB&F, measuring just 42 mm in diameter and 16 mm thick, though it appears larger.

The LM1 was priced starting at US$92,000 and is not a limited-production piece.

MB&F won both the Men's Watch Prize and Public Prize at the Grand Prix d'Horlogerie de Genève for the Legacy Machine No. 1 in November, 2012.



  • Domed sapphire
  • Dual time dials


  • Dual hours/minutes dials
  • Power reserve indicator
mb_f_legacy_machine_no._1.txt · Last modified: 02.12.2022 20:43 by

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