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ETA 2891-9
Ligne: 11.5'''
Jewels: 10
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1947-
Diameter: 26 mm
Height: 5.4 mm
Hands: 1.20 x 0.65 / 0.15 mm
The ETA 2891-9 watch movement is an automatic (bumper) movement that features a sub second function. It is available in both sweep seconds and non-sweep seconds variations. The movement is automatic and has been in use since 1947.
The ETA 2891-9 features the following functions:
- Automatic (bumper)
- Sub Second
- Sweep seconds and non-sweep seconds variations
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1420 | Ordinary/None | Buy staff |
| 5387 | Ordinary/None | Buy staff |
| 2807 | Incabloc | Buy staff |
| 5387 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.075 x 240 x 7.5 mm | Auto | Buy mainspring | |
| 1.60 x 0.075 x 220 x 7.5 mm | GR4436X | Auto | Buy mainspring |
| 1.60 x 0.075 x 240 x 7.0 mm | GR4437X | Auto | Buy mainspring |
| 1.60 x 0.080 x 220 x 7.0 mm | GR4444X | Auto | 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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