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Osco 66D
Ligne: 11.5'''
Jewels: 17/21
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 26 mm
Height: 4.0 mm
Hands: 1.30 x 0.90 x 0.21 mm
The Osco 66D is a manual-wind watch movement with a sweep second function. It belongs to a series of movements including the 731, 733, and 735, although specific differences among them are not known. The Osco 66D movement was commonly used around the 1960s.
The Osco 66D features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.120 x 340 x 10.5 mm | GR3729 | Manual | Buy mainspring |
| 1.40 x 0.120 x 320 x 10.5 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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