MB&F Caliber LM101 In-House Watch Movement

MB&F Caliber LM101

MB&F Caliber LM101 In-House Watch Movement

Caliber NumberLM101
TypeManual wind
Number of Parts229
Power Reserve45 hours
Vibrations Per Hour18,000 bph (2.5Hz)
FunctionsHours, minutes, power reserve indicator
Finished by hand, hand-engraved, frosted finish, gold chatons and polished countersinks, 14mm balance wheel floating above the dial
Country of ManufactureSwitzerland
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.

Venus Caliber 178
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