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Felsa 721
Ligne: 5.75 x 6.75'''
Jewels: 17
Power Reserve: 35 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 13.1 x 15.2 mm
Height: 3.55 mm
Hands: 1.00 x 0.60 mm
The Felsa 721 movement is a manual wind mechanical watch movement that was used around the 1950s. The specific differences between the 30, 31, 60, and 66 movements are not known.
The Felsa 721 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4536 | Ordinary/None | Buy staff |
| 4746 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.065 x 220 x 6.0 mm | GR3568 | Manual | Buy mainspring |
| 1.35 x 0.060 x 210 x 6.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.070 x 220 x 6.0 mm | GR3186 | 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
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