ETA 881
Mechanical
No photos yet
Notes
differences not known between 790-799, 802, 803, 807-809, 878, 881, 884
Dimensions
| Width | 19 lignes (42.86 mm) |
|---|---|
| Height | 3.5 mm |
| Stem height | 0.5 mm |
| Hands (H × M × S) | 1.2 × 0.6 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 44 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR4099 |
|---|---|
| Height | 1.5 mm |
| Thickness | 0.09 mm |
| Length | 260 mm |
| Barrel diameter | 8 mm |