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Osco 70
Ligne: 11.5'''
Jewels: 7/15/17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 26 mm
Height: 3.5 mm
Hands: 1.40 x 0.80 / 0.22 mm
Base: ETA 930
The Osco 70 watch movement is often signed as ETA 900 and was primarily used around the year 1950. It is a manual wind movement with a sub second function.
The Osco 70 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 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) |
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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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