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Cortebert 309
Ligne: 6.75 x 8'''
Jewels: 17
Power Reserve: 43 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1975
Size: 15.3 x 18.2 mm
Height: 3.55 mm
Hands: 1.10 x 0.60 mm
The Cortebert 309 watch movement is often compared to the Lorsa 8FA movement in terms of its performance and specifications. It features manual winding functionality and an adjustable stud holder. The movement was predominantly used during the approximate period of 1975.
The Cortebert 309 features the following functions:
- Adjustable Stud Holder
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 260 x 7.0 mm | GR4446 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
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| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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