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Felsa 4005
Ligne: 6.75'''
Jewels: 17
Power Reserve: 34 hrs
Frequency: 19800 vph
Type: Automatic
Period used: ~1958
Diameter: 15.6 mm
Height: 5.3 mm
Hands: 1.20 x 0.75 x 0.20 mm
The Felsa 4005 is a notable watch movement that was introduced around 1958. It stands out for its winding gear made from beryllium bronze and its distinction as the smallest diameter for a serial automatic movement with a sweep second function.
The Felsa 4005 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.060 x 6.0 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) |
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Documents
Parts Listing
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