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Unitas 291
Ligne: 17.5'''
Jewels: 15/16
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 39.8 mm
Height: 3.7 mm
Hands: 1.85 x 1.10 / 0.25 mm
The Unitas 291 watch movement is a hunter calibre movement that features a Breguet hairspring. Apart from varying bridge layouts, no notable differences are known between the 517, 519, and 523 variations. The movement is capable of stem winding and setting, as well as offering a sub-second function. The Unitas 291 movement was commonly used in watches produced around the year 1930.
The Unitas 291 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.170 x 390 x 13.5 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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