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Certina 15-20
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 52°
Power Reserve: 42 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1965
Diameter: 26 mm
Height: 5.25 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Certina 15-20 is a mechanical watch movement that features an indirectly driven minute hand, allowing for a large balance wheel and a low profile. This movement includes several functions, such as automatic winding, sweep seconds, and a day and date display. The date can be quickly set by repeatedly pushing the crown. It was commonly used in watches during the period of approximately 1965.
The Certina 15-20 features the following functions:
- Automatic Winding
- Date: quickset by repeated pushing the crown
- Day
- Day and Date Display
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.120 x 320 x 10.5 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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