LM Perpetual
Manual
Integrated perpetual calendar developed by Stephen McDonnell featuring a dial-side complication and mechanical processor with a safety mechanism. Manual winding with double mainspring barrels and a bespoke 14mm balance wheel. Features 19th-century hand finishing, 72-hour power reserve, 2.5Hz frequency, 581 components, 41 jewels, and a power reserve indicator.
Caliber Details
- Manufacturer
- MB&F
- Type
- Manual
- Frequency
- 18000 vph
- Power Reserve
- 72 h
- Jewels
- 41
- Display
- Analog
- Hands
- Hours, Minutes
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