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Unitas 457
Ligne: 17'''
Jewels: 15
Power Reserve: 30 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 38.2 mm
Height: 5.0 mm
Hands: 1.85 x 1.02 / 0.22 mm
The Unitas 457 is an open face calibre watch movement that incorporates a Breguet hairspring. It offers options such as a hack feature and Reed's regulator. The movement includes functions such as stem winding and setting, a sub-second display, and was commonly used around the period of 1930.
The Unitas 457 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.90 x 0.200 x 15.0 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 |
|---|---|---|---|
| CANNON PINION, *UA 5-98* | 240/ALP 337 | Buy part | |
| SCREW SET LEVER *UA 8-98* | 5443/ALP 337 | Buy part | |
| STAFF | 100/1720 | Buy part |
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