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Certina 28-10
Ligne: 18'''
Jewels: 15
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1895
Diameter: 40.65 mm
Height: 6.8 mm
Hands: 1.75 x 0.60 / 0.26 mm
The Certina 28-10 watch movement is an open face calibre featuring a bimetallic screw balance and the option to include a Breguet hairspring. This movement is designed for stem winding and pin setting mechanisms, with a sub second function. It was commonly used around the period of approximately 1895.
The Certina 28-10 features the following functions:
- Stem wind and pin set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.30 x 0.200 x 500 x 16.0 mm | GR6433T | T | 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 |
|---|---|---|---|
| MAINSPRING 2.30-.20-500 16 | 770/LON 18.69 | 6433-T | Buy part |
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