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Certina 28-451
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 53°
Power Reserve: 40 hrs
Frequency: 28800 vph
Type: Automatic
Period used: 1971-1979
Diameter: 26 mm
Height: 4.6 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Certina 28-451 watch movement, produced from 1971 to 1979 with a total of 1,618,952 units, is an automatic movement that features a sweep second hand and includes the option for a hack feature.
The Certina 28-451 features the following functions:
- Automatic Winding
- Option: Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.125 x 420 x 10.5 mm | GR3149X | Auto | Buy mainspring |
| 1.23 x 0.134 x 400 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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