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Osco 65
Ligne: 5.75 x 8.5'''
Jewels: 15
Lift Angle: 40°
Power Reserve: 30 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 12.85 x 19.6 mm
Height: 3.85 mm
Hands: 1.20 x 0.60 mm
The Osco 65 watch movement features a ratchet on the dial side and a crown mechanism with a rocker bar. The base-plate thickness of the newer version is 2.3mm, while the older version had a thickness of 2mm. This movement is a manual wind with bascule winding and was predominantly used around the 1950s.
The Osco 65 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3766 | Ordinary/None | Buy staff |
| 3738 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.080 x 260 x 7.5 mm | GR2871 | 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) |
|---|
Documents
Parts Listing
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