3861

- • Analog • Chronograph: Chronograph Hands: Small Seconds, Hours, Minutes Chronometer

Jewels
26
Reserve
50 h
Frequency
21,600 vph (3.0 Hz)
Diameter
27 mm
Height
-

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
-
Omega 3861 - Movement Specifications & Details | WatchAtlas