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Unitas 291
Ligne: 8.75 x 12'''
Jewels: 17
Frequency: 18000 vph
Type: Manual Wind
Period used: 1925-
Size: 19.74 x 27.07 mm
Hands: 1.05 x 0.60 / 0.18 mm
Base: Gruen 117
The Unitas 291 watch movement is a manual wind movement with a bimetallic screw balance and a Breguet hairspring. It features a sub second function and has been in use since 1925.
The Unitas 291 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.105 x 265 x 8.5 mm | Manual | Buy mainspring | |
| 1.10 x 0.105 x 260 x 8.5 mm | GR2623 | Manual | Buy mainspring |
| 1.10 x 0.100 x 260 x 8.0 mm | GR2612 | 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 |
|---|---|---|---|
| ARBOR, THREADED PALLET 1.00 | 72S/155P | 714/MST 270 | Buy part |
| MAINSPRING 1.10-.10-260 8 | MS-211H | GR 2612 | Buy part |
| ROLLER 185X80X36 | 82S/51R | Buy part | |
| STAFF, HSP .40 | 100/361 | Buy part | |
| STAFF, HSP .62 | 100/362 | Buy part | |
| STEM, (OLD) | 200/389F | Buy part |
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