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Felsa 138
Ligne: 4.5 x 10'''
Jewels: 15/17
Power Reserve: 31 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Size: 10.1 x 22.6 mm
Height: 3.6 mm
Hands: 0.95 x 0.55 mm
The Felsa 138 is a manual wind watch movement that was utilized around the period of circa 1940. The specific characteristics and discrepancies between the ETA 746, Felsa 138, and ETA 749 watch movements remain undetermined.
The Felsa 138 features the following functions:
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.070 x 245 x 7.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.110 x 300 x 9.0 mm | GR3283 | 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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