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: |
|
| Production period: | 1991 - |
| Production years: | 1991- |