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Unitas 285
Ligne: 13'''
Lift Angle: 43°
Power Reserve: 27 hrs
Frequency: 17280 vph
Type: Manual Wind
Period used: ~1950
Diameter: 30.3 mm
Height: 4.8 mm
Hands: 2.03 x 1.41 x 0.35 mm
The Unitas 285 watch movement is characterized by its pin-lever escapement and features an indirect minute hand friction clutch on the barrel. It incorporates a single part that replaces the setting-lever spring, yoke, and yoke spring, resulting in an innovative design. Further details differentiating the Unitas 285 from the Brac 91 are currently unknown. This movement is manually wound and includes a sweep second hand. It was primarily used during the period around 1950.
The Unitas 285 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 377 | Ordinary/None | Buy staff |
| 3586 | Ordinary/None | Buy staff |
| 3662 | Kif | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.160 x 15.5 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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