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ETA 658
Ligne: 8.75'''
Jewels: 15
Lift Angle: 52°
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 19.75 mm
Height: 3.5 mm
Hands: 1.20 x 0.70 / 0.18 mm
The ETA 658 watch movement, along with its counterparts 201 and 202, share similarities that are not entirely known. However, the ETA 658 movement is a manual wind movement with a sub-second function. It was commonly used around the 1940s period.
The ETA 658 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2389 | Ordinary/None | Buy staff |
| 3720 | Incabloc | Buy staff |
| 3339 | Kif | Buy staff |
| 3855 | Monorex | Buy staff |
| 3144 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 260 x 7.0 mm | GR4446 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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