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Felsa 4007N
Ligne: 12'''
Jewels: 17
Frequency: 21600 vph
Type: Automatic
Period used: ~1975
Diameter: 27 mm
Height: 6.1 mm
Hands: 1.80 x 1.30 x 0.20 mm
The Felsa 4007N watch movement, designed around 1975, features an automatic mechanism with sweep second function. Equipped with a jeweled lever, it incorporates a calendar with a quickset option enabled by reverse setting. Notably, the stem mechanism lacks a setting-lever spring, and late samples may exhibit glued hairspring terminal. The barrel drives the train and hand gear separately.
The Felsa 4007N features the following functions:
- Automatic Winding
- Calendar
- Date: quickset by reverse setting
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 320 x 10.0 mm | GR3699X | Auto | 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) |
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Documents
Parts Listing
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