MB&F Caliber LM101 Watch Movement

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Manufacturer	MB&F
Caliber Number	LM101
In-House?	Yes
Type	Manual wind
Jewels	23
Number of Parts	229
Power Reserve	45 hours
Vibrations Per Hour	18,000 bph (2.5Hz)
Functions	Hours, minutes, power reserve indicator
Features	Finished by hand, hand-engraved, frosted finish, gold chatons and polished countersinks, 14mm balance wheel floating above the dial
Country of Manufacture	Switzerland
Known Models	Legacy Machine 101

MB&F Legacy Machine No. 1 caliber in the MB&F LM101 Frost watch announced April 16, 2015.

Bespoke 14mm balance wheel with four traditional regulating screws floating above the movement and dials.

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