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Certina 25-661
Ligne: 12'''
Jewels: 15
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1946
Diameter: 26.5 mm
Height: 4.0 mm
Hands: 1.38 x 0.80 / 0.21 mm
The Certina 25-661 is the first Eterna calibre designed for gents wrist watches. Early samples of this movement feature both old and new mounting threads. It is a manual wind movement with a sub second function. The period of its use is approximately around 1946.
The Certina 25-661 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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