Omega 3861
ConfirmedMaster Chronometer certification includes exposure to a 15,000 gauss magnetic field, which is a materially different claim from COSC chronometry and is tested by METAS rather than by Omega.
Specifications
- Movement manufacturer
- Omega
- Production
- 2019–present
- Frequency
- 21,600 vph (3 Hz)
- Jewels
- 26
- Power reserve
- 50 hours
- Winding
- manual
- Complications
- Chronograph · Small seconds · 30-minute counter · 12-hour counter
- Certification
- METAS Master Chronometer
Architecture
Manual-wind chronograph with Omega's Co-Axial escapement and a silicon Si14 balance spring, certified to the METAS Master Chronometer standard.
Related calibers
Preceded by
Omega 1861
References using this caliber
No catalog references are linked to this caliber yet.
Provenance of this record
Sources & Evidence
Primary sourceManufacturer documentation
OMEGA — Calibres and Master Chronometer certification
OMEGA SA
- Accessed
- 2026-08-18
Cited for
This referenceConfirmed
Primary sourceTechnical documentation
METAS — Master Chronometer certification criteria
Swiss Federal Institute of Metrology (METAS)
- Accessed
- 2026-08-18
Cited for
This referenceConfirmed
Last verified: Not yet reviewed