Lemania 2310
ProbableCH 27 C12
Supplied to several houses under their own caliber numbers — most famously as the Omega 321, and in modified form elsewhere. A movement library that records only the house designation makes these watches look unrelated when they are the same architecture.
Specifications
- Movement manufacturer
- Lemania
- Frequency
- 18,000 vph (2.50 Hz)
- Diameter
- 27 mm
- Winding
- manual
- Complications
- Chronograph
Architecture
Manual-wind column-wheel chronograph, lateral clutch.
Related calibers
Derivative
Omega calibre 321
References using this caliber
No catalog references are linked to this caliber yet.
Provenance of this record
Sources & Evidence
Secondary sourceCollector research
Ranfft Watch Movement Archive
Dr. Roland Ranfft (archived and maintained by volunteers)
- Accessed
- 2026-08-18
Cited for
This referenceProbable
Last verified: Not yet reviewed