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ETA 859
Ligne: 10.5'''
Jewels: 16/18
Lift Angle: 52°
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.7 mm
Height: 4.15 mm
Hands: 1.75 x 1.00 x 0.18 mm
Base: Wittnauer 10TN
The ETA 859 watch movement is a manual wind movement with sweep seconds. It features different bridge shapes and was commonly used in watches around 1955.
The ETA 859 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3057 | Ordinary/None | Buy staff |
| 3870 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 320 x 9.0 mm | GR3255 | Manual | Buy mainspring |
| 1.30 x 0.100 x 290 x 9.0 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 |
|---|---|---|---|
| BALANCE COMPLETE, FLAT | 721/811 | 721/811 | Buy part |
| MAINSPRING 1.30-.10-320 9 | MS-411M | GR 3255 | Buy part |
| PALLET ARBOR | 72S/77P | 714/MST 410 | Buy part |
| REGULATOR, FLAT | 301/WIT 10TN | 301/WIT 10TN | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| SET BRIDGE | 445/775 | 445/775 | Buy part |
| STAFF | 100/833 | Buy part | |
| STEM | 200/845F | Buy part |
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