ETA 2834-2 caliber vs ETA 955.112 caliber: specs compared
Updated 05 September 2026.
8
specs differ
ETA 2834-2 caliber and ETA 955.112 caliber differ on 8 specs: casing diameter, movement height, frequency, jewels, winding, calendar / layout.
| Spec | ETA 2834-2 caliber | ETA 955.112 caliber |
|---|---|---|
| Maker | ETA (Swatch Group) | ETA (Swatch Group) |
| Size | 11 1/2 ligne | 11 1/2 ligne |
| Casing diameter | 29.00 mm | 25.60 mm |
| Movement height | 5.05 mm | 3.15 mm |
| Frequency | 28,800 A/h (4 Hz) | 32,768 Hz quartz |
| Jewels | 25 | 7 |
| Winding | automatic, bidirectional | quartz, battery 371 (SR920SW) |
| Calendar / layout | centre seconds, day at 12 and date at 3 | centre seconds, date at 3 |
| Hand fitting | hour 1.50 / minute 0.90 / second 0.20 mm (bore) | hour 1.50 / minute 0.90 / second 0.20 mm (bore) |
| Stem | tap 0.90 | 955 stem |
| Power reserve | approx. 38 h | battery, up to 50 months |
Questions and answers
How do ETA 2834-2 caliber and ETA 955.112 caliber compare?
ETA 2834-2 caliber and ETA 955.112 caliber differ on 8 specs: casing diameter, movement height, frequency, jewels, winding, calendar / layout.