The ETA/Valjoux caliber A05.231 is an automatic bi-compax chronograph with 29 jewels.
In July 2022, Swatch Group made an announcement that the Tissot Telemeter 1938 would be powered by the ETA/Valjoux caliber A05.231.
ETA Caliber A05.231
TECHNICAL DATA
| Brand: | ETA |
|---|---|
| Family: | ETA > Automatic Chronograph |
| Reference: | A05.231 |
| SKU: | ETAA05.231 A05-231 |
| Name: | ETA Caliber A05.231 |
| Produced: | 2022 In production |
| Country of Manufacture |
|---|
FUNCTIONS
| Base | |
|---|---|
| Movement type | |
| Functions | |
| Display |
6 hands, Central seconds chronograph hand, Small seconds hand at 9:00, Central hour hand, Central minute hand, 30-minute chronograph hand at 3:00, 12-hour chronograph hand at 6:00 |
| Chronograph |
Cam style, 60-second counter, 12-hour counter, 30-minute counter |
| Power reserve | |
| Jewel | |
| Frequency |
ADDITIONAL INFORMATION
| Escapement | |
|---|---|
| Anti-Shock System | |
| Rotor style | |
| Rotor winding direction | |
| Balance Spring |
Detailed description
Other calibers that are based on the ETA Caliber A05.231
- In production
- Discontinued
- No information
All watches using the ETA Caliber A05.231
- In production
- Discontinued
- No information
Certina
- In production
- Discontinued
- No information
Tissot
- In production
- Discontinued
- No information
