Eta 2850

ETA Caliber 2850

Eta Caliber 2850

Manufacturer ETA
Caliber Number 2850
Movement Type Mechanical, manual-wind
Lignes 11.5”’
Diameter
25.6mm
Height
4.3mm
Jewel Count
Varies
Beat Rate
28,800 vph, 4 Hz
Lift Angle
52 degrees
Power Reserve
~38 hours
Hand-Windable?
Yes
Anti-Shock Device
Incabloc
Hand Count 3
Functions Central hours; central minutes; central sweeping seconds
Hacking Seconds?
Yes
Country of Manufacture Switzerland, Swiss made
Known Models
(Add your watch to the comments below…)

The ETA caliber 2850 is a vintage time-only manual-wind mechanical movement. It is a true no-date movement.

This caliber is an early member of the ETA 28XX family of movements.

Documentation for this caliber was found as far back as 1976.

Additional Resources:

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