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Certina 28-45
Ligne: 12.75'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1945-1949
Diameter: 28.5 mm
Height: 5.35 mm
Hands: 1.40 x 0.75 x 0.18 mm
The Certina 28-45 watch movement, also known as the 28.10RA SC PC, was produced between 1945 and 1949. With a production volume of over 1.3 million units between 1943 and 1955, this model features several functions including automatic (bumper) winding, sweep seconds, and Incabloc shock protection.
The Certina 28-45 features the following functions:
- Automatic (bumper)
- Incabloc Shock Protection
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.095 x 300 x 9.0 mm | GR2605X | Auto | Buy mainspring |
| 1.10 x 0.100 x 250 x 8.5 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) |
|---|
Documents
Parts Listing
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