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Osco 78
Ligne: 11.5'''
Jewels: 15
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 26 mm
Height: 4.0 mm
Hands: 1.30 x 0.60 / 0.21 mm
The Osco 78 watch movement is a manual wind movement with a subsecond function. It was commonly used around 1945. The specific differences between the Fleurier 210 through 220, 222, 224, 226, and 227 are not known. Various bridge shapes are featured in this movement.
The Osco 78 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.100 x 350 x 10.0 mm | Manual | Buy mainspring | |
| 1.80 x 0.100 x 320 x 9.0 mm | GR5254 | 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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