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Unitas 255
Ligne: 19.5'''
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1965
Diameter: 43.6 mm
Height: 6.3 mm
Hands: 2.08 x 1.42 x 0.40 mm
The Unitas 255 is a mechanical watch movement featuring a pin-lever escapement. Its back side is painted in golden color and includes a ratchet on the dial side. The movement also incorporates a hidden crown mechanism with a rocker bar. It offers stem winding and setting capabilities, as well as a sweep second function. The Unitas 255 movement was used in watches produced around 1965.
The Unitas 255 features the following functions:
- Stem wind and set
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.10 x 0.200 x 460 x 16.0 mm | GR6095 | 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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