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Felsa 4121
Ligne: 5.75 x 8.5'''
Jewels: 15
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 12.8 x 19.5 mm
Hands: 1.20 x 0.60 mm
The Felsa 4121 watch movement is a manual-wind movement with a sweep second hand. It was likely produced around the 1950s. The 1029 movement is differentiated by its specific base plate, bridge layout, and lever bridge design. It shares similarities in these aspects with the ETA 879 and 1041 movements.
The Felsa 4121 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 280 x 8.0 mm | GR3204 | Manual | Buy mainspring |
| 1.30 x 0.080 x 260 x 7.5 mm | GR3203 | 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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