ETA 2840

 
ETA 2840

ETA 2840

Description

The ETA 2840 came onto the market in 1991 with the start of the Swatch Automatic. It is a simplified ETA 2824-2 slower beating, without regulating device and with a cheaper Novodiac shock protection.

Technical data

Manufacturer:ETA
Caliber:2840
Size:11 1/2'''
A/h:21600
Number of jewels:23
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Novodiac
Balance bearing / direction hairspring:Clockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Winding mechanism:yoke winding system
Features:
  • SCD (direct center seconds)
  • AUT (selfwinding)
Production period:1991 -