| Brand | Certina |
| Model | DS |
| Year | 1964 |
| Caliber | Cal 25-66 |
| Details | Size 36/xx/18 (w/h/lug mm) Gasket replaced nov 2019 |
| Links | Certina on Wiki Repair of 25-66M On Certina DS |
| Search | dba.dk / “Certina” |
Certina DS
Watch Out
| Brand | Certina |
| Model | DS |
| Year | 1964 |
| Caliber | Cal 25-66 |
| Details | Size 36/xx/18 (w/h/lug mm) Gasket replaced nov 2019 |
| Links | Certina on Wiki Repair of 25-66M On Certina DS |
| Search | dba.dk / “Certina” |