Eta Caliber 2390 Vintage

ETA Caliber 2390

ETA caliber 2390 manual wind movement

ManufacturerETA
Caliber Number2390
Movement TypeMechanical, manual-wind
Vibrations Per Hour18,000 bph, 4Hz
Jewels17
Power Reserve47 hours
Diameter10.5”’
Height3.6mm
Lift Angle
52 degrees
Hands1.50mm, 0.90mm, 0.21mm
HairspringFlat
Shock AbsorberIncabloc
Hacking?Yes
BalanceGlucadur/Nickel screw balance
FunctionsHours, minutes, central seconds
Country of ManufactureSwitzerland
Known Models
Vintage manual wind Pontiac, Hamilton, too many to list – add yours to comments below.

The ETA caliber 2390 was produced in the 1970’s in Switzerland.

The movement pictured is from a vintage Pontiac dress watch. This movement was also found in several 1970’s Hamilton watches. Hamilton called their movements the Hamilton caliber 60, 688, caliber 75, etc. These base for these calibers was the ETA 2390.

It’s interesting that the List of ETA Movements on Wikipedia (link) doesn’t include the 2390.

Eta Caliber 2390 Vintage

Video Example:

Additional Resources:

Caliber submitted by wahawatches.com

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[…] has an ETA 2390 movement. An older version because it still has a fixed stud holder. That dates the watch to the mid to late […]

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[…] has the Hamilton 60 movement which is an ETA 2390 with a KIF shock-protection system, and the stud carrier and regulator are slightly […]

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