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Unitas 277
Ligne: 19'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 43.3 mm
Height: 4.15 mm
Hands: 2.00 x 1.10 / 0.20 mm
Base: Moeris 19A
The Unitas 277 watch movement is characterized by its open face calibre and the inclusion of a set-lever spring between plates. It also features a Breguet hairspring. While the differences between the 293 and 1721 are not specified, the movement is capable of stem winding and setting, includes a sub second function, and was produced around 1935.
The Unitas 277 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.210 x 490 x 17.0 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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