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Otero 840
Ligne: 11.5'''
Jewels: 17/21
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1963-1969
Diameter: 25.95 mm
Height: 3.7 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Otero 840 watch movement, used between 1963 and 1969, featured later samples with a split plate and an improved setting-lever spring similar to the 460 movement. Notable differences between the 360/1360 and 260/1260 families included the balance and the mobile stud carrier. This movement offered manual winding and sweep seconds functionality.
The Otero 840 features the following functions:
- Manual Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5255 | Ordinary/None | Buy staff |
| 4829 | Incabloc | Buy staff |
| 4829 | Kif | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.130 x 300 x 9.5 mm | GR2988 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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