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Unitas 481
Ligne: 8.75'''
Jewels: 1/17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 19.74 mm
Hands: 1.40 x 1.00 mm
The Unitas 481 watch movement features a pin-lever escapement and includes an indirect minute hand friction clutch on the barrel. The specific differences between the 85 and 85N models are not known. This movement is manually wound and includes a sweep second hand. It was in use around the 1960s.
The Unitas 481 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.085 x 360 x 9.0 mm | GR2590 | 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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