About this caliber
Caliber 3861 is an updated version of caliber 861 / 1861. It features a co-axial escapement and a silicon balance spring. It is Master Chronometer certified by METAS.
Manual-winding chronograph movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring. Either gold plated finish or rhodium-plated finish, bridges with straight Geneva waves.
BPH to be comfirmed
Technical details
- Movement
- -
- Display
- Analog
- Jewels
- 26
- Power reserve
- 50 hours
- Frequency
- 21,600 vph (3.0 Hz)
- Hands
- Chronograph: Chronograph
Hands: Small Seconds, Hours, Minutes
Chronometer
- Diameter
- 27 mm
- Height
- -
- Parts
- -