MB&F Caliber LM1 Silberstein

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Manufacturer	MB&F
Caliber Number	LM1
Type	Manual wind
Jewels	23
Number of Parts	279
Power Reserve	45 hours
Vibrations Per Hour	18,000 bph (2.5Hz)
Functions	Hours, minutes, dual time zone, unique vertical power reserve indicator
Features	Finished by hand, hand-engraved, frosted finish, gold chatons and polished countersinks, 14mm balance wheel floating above the dial, sapphire crystal balance bridge
Country of Manufacture	Switzerland
Known Models	Legacy Machine No. 1 Silberstein

MB&F Legacy Machine No. 1 caliber in the LM1 Silberstein watch announced May, 2016 in partnership with Alain Silberstein.

The LM1 caliber was developed by MB&F with the help of several external “Friends”, most importantly Jean-François Mojon (Chronode) and Kari Voutilainen – whose names are engraved on the movement, as recognition of their essential contribution.

The LM1 is not to be confused with the smaller LM101, which was developed entirely in-house with MB&F’s own engineering team. The best way to distinguish the two is that the LM101 has a single time zone and the LM1 (seen here) has dual time zones.