ETA 2487
Technical data
| Manufacturer: | ETA |
| Caliber: | 2487 |
| Size: | 5 3/4 x 6 3/4''' |
| A/h: | 21600 |
| lift angle: | 51° |
| Number of jewels: | 17 |
| Escapement: | Pallet lever |
| Balance types: |
Nickel anular balance |
| Shock protection(s): |
Incabloc |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | yes |
| Adjust mechanism: | Hairspring key |
| Construction: |
|
| Winding mechanism: | yoke winding system |
| References: |
Flume: K3 78 |
| Mentioning in literature (years): | 1964 - 1968 |