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Cortebert 307
Ligne: 8.75'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1920
Diameter: 19.75 mm
Height: 3.45 mm
Hands: 1.12 x 0.65 / 0.18 mm
The Cortebert 307 watch movement is a manual wind movement with a sub-second function. There are no differences between the Buren 8.75'' 'new' and the Buren 875. It was commonly used in watches during the period around 1920.
The Cortebert 307 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.080 x 250 x 7.5 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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