ETA 2892-A2
ProbableIts thinness made it the standard base for module-mounted chronographs and calendars across the industry, which is why so many differently branded movements share its going train.
Specifications
- Movement manufacturer
- ETA
- Frequency
- 28,800 vph (4 Hz)
- Jewels
- 21
- Power reserve
- 42 hours
- Diameter
- 25.6 mm
- Height
- 3.6 mm
- Winding
- automatic
Architecture
Thin automatic widely used as a base for complication modules.
Related calibers
Derivative
Omega 1120Derivative
Omega 2500Derivative
Hublot HUB1110
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