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Felsa 4123
Ligne: 6'''
Jewels: 17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1963-1988
Diameter: 13.75 mm
Height: 3.2 mm
Hands: 1.00 x 0.50 mm
Base: ETA 2440
The Felsa 4123 watch movement, produced from 1963 to 1988, features a regulator and balance bearings sourced from Junghans. It incorporates an indirectly driven minute hand, enabling a large balance. This movement is manually wound.
The Felsa 4123 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.43 x 0.063 x 201 x 5.5 mm | Manual | 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
| Part Description | Reference # | Alternate | Buy |
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