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Certina 25-681
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 52°
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1955-1963
Diameter: 26 mm
Height: 4.5 mm
Hands: 1.50 x 0.90 x 0.20 mm
The Certina 25-681 watch movement, in production from 1955 to 1963, features a rotor placed off-centre and a winding gear integrated within the movement, resulting in a remarkably thin design for its time. The movement also includes a sweep seconds function and automatic winding capability.
The Certina 25-681 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4558 | Ordinary/None | Buy staff |
| 4953 | Ordinary/None | Buy staff |
| 4532 | Ordinary/None | Buy staff |
| 4895 | Ordinary/None | Buy staff |
| 4559 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.100 x 340 x 10.0 mm | GR2922X | Auto | Buy mainspring |
| 1.20 x 0.100 x 290 x 9.0 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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