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Certina 25-661
Ligne: 13'''
Jewels: 15/17
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 29.4 mm
Height: 3.5 mm
Hands: 1.50 x 0.80 / 0.21 mm
The Certina 25-661 watch movement is a larger version of the ETA 1126, with a similar base plate. It often or always features the signature "1120" on the dial side. The differences between the ETA 1121, 1123, 1125, 1127, 1129, 1131, 1133, 1139, and 1289 are not known. This movement is a manual wind, sub-second movement that was commonly used in watches around the 1950s.
The Certina 25-661 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.130 x 320 x 10.5 mm | GR4196 | Manual | Buy mainspring |
| 1.50 x 0.130 x 300 x 10.5 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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