| Manufacturer: | Jointly made by Center of Electronic Horology (CEH) Switzerland, Ebauches SA and Omega Watch Company |
| Dimensions: | TBA |
| Commencement of Manufacture: | 1970 |
| Tuning Fork Frequency: | 256 Hz |
| Index Wheel: | 256 teeth |
| Derived Calibres | Omega Cal 1300, 1301, 1302. Rolex cal 5100 |
This section still under construction.