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ETA 979
Ligne: 8.75'''
Jewels: 1/17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 19.74 mm
Hands: 1.40 x 1.00 mm
The ETA 979 watch movement is a mechanical movement featuring a pin-lever escapement. It is manual wind and includes a sweep second function. The movement also incorporates an indirect minute hand friction clutch on the barrel. While the differences between the 85 and 85N are unknown, the ETA 979 movement was commonly used around the 1960s.
The ETA 979 features the following functions:
- Manual Winding
- Pin lever
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3687 | Ordinary/None | Buy staff |
| 3725 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.085 x 360 x 9.0 mm | GR2590 | Manual | Buy mainspring |
| 0.95 x 0.090 x 340 x 9.0 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) |
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Documents
Parts Listing
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