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Eterna 520H
Ligne: 11.5'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1965
Diameter: 26 mm
Height: 4.5 mm
Hands: 1.50 x 0.90 x 0.20 mm
Base: Standard 1950
The Eterna 520H is a manual wind mechanical watch movement that features a sweep seconds function. It is equipped with an Adjustable Stud Holder for improved accuracy and precision. The movement also incorporates Shock Protection for enhanced durability. The Eterna 520H was primarily used during the period of approximately 1965.
The Eterna 520H features the following functions:
- Adjustable Stud Holder
- Manual Winding
- Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5352 | Ordinary/None | Buy staff |
| 5352 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.100 x 320 x 9.0 mm | GR4880 | Manual | Buy mainspring |
| 1.70 x 0.100 x 300 x 9.0 mm | GR4879 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 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) | |
|---|---|---|---|
| See More | |||
| See More | |||
| See More | |||
| See More |
Documents
Parts Listing
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