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
lift angle:52°
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 years:1991-
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.