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Unitas 287
Ligne: 11.5'''
Jewels: 15/17/19/21
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 26 mm
Height: 4.15 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Unitas 287 is a manual wind mechanical watch movement that features a sweep second hand and shock protection. It was introduced around 1955. The specific differences between the 1177 and other movements in the ETA 1081-1089, 1095-1099, 1141-1149, 1155-1157, and 1175-1183 series are not known.
The Unitas 287 features the following functions:
- Manual Winding
- Shock Protection
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.110 x 290 x 9.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.100 x 300 x 9.0 mm | GR4122 | Manual | Buy mainspring |
| 1.50 x 0.105 x 300 x 9.0 mm | GR4134 | 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
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