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Felsa 4010
Ligne: 6.5 x 11'''
Jewels: 15/17
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1934-1942
Size: 14.6 x 24.8 mm
Height: 3.4 mm
Hands: 1.10 x 0.62 mm
The Felsa 4010 watch movement was manufactured from 1934 to 1942, with a total production of 531,500 units. It features a bimetallic screw balance and a Breguet hairspring. The safety barrel design incorporates a ratchet wheel and barrel coupled to the barrel staff using squares, and includes a joint spring core. This design reduces bearing pressure and prevents damage in the event of a breaking spring striking the barrel. The movement is available in different grades such as 659 (9 jewels), 665 (15 jewels), and 667 (17 jewels). It is a manual wind movement and is American made.
The Felsa 4010 features the following functions:
- American Made
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.090 x 250 x 8.0 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) |
|---|
Documents
Parts Listing
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