| Manufacturer | ETA |
| Caliber Number | 2525 |
| Family | ETA 2500 series |
| Movement Type | Automatic, self-winding mechanical |
| Lignes | 11.5”’ |
| Diameter | 25.6mm |
| Thickness | 4.7mm |
| Power Reserve | ~42 hours |
| Jewels | 25 |
| Vibrations Per Hour | 18,000 bph |
| Lift Angle | Needs confirmed |
| Hands | 1.50mm / .90mm / .21mm |
| Shock Protection | Incabloc |
| Rotor Type | Ball bearing |
| Hand Count | 3 |
| Functions | Central hours, central minutes, central sweeping seconds |
| Country of Manufacture | Switzerland, Swiss made |
| Known Models | (Add your watch in the comments below…) |
The ETA caliber 2525 is a time-only (no date) Swiss made automatic movement that can be found in watch produced in the 1960s-1970s. This caliber part of the ETA 2500 family of movements. This caliber family is considered to be the predecessor of the ubiquitous ETA caliber 2824-2 that most watch enthusiasts are familiar with today.
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