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Otero 906
Ligne: 11.5'''
Jewels: 25
Lift Angle: 52°
Power Reserve: 40 hrs
Frequency: 28800 vph
Type: Automatic
Period used: ~1975
Diameter: 26 mm
Height: 4.6 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Otero 906 watch movement, introduced around 1975, features an automatic mechanism with a typical Eterna rotor. It includes essential functions such as sweep seconds, a quickset date, and a hack feature. This movement was prevalent during the period of approximately 1975.
The Otero 906 features the following functions:
- Automatic Winding
- Calendar
- Date: quickset
- Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.125 x 420 x 10.5 mm | GR3149X | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| MAINSPRING, 1.25X.125X16-3/4 | 770/169 | GR 3149 | Buy part |
| ROLLER | 82S/372R | 00730.2801-2.68-75 | Buy part |
| STEM, HELICOIDAL TAP 10 | 401/731 | 401/3-ETA 2802 | Buy part |
| STEM, T10 16MM COLLAR ON HUB | 401/1029 | 00401.2801-2.4160N | Buy part |
| STEM, T10 20MM NO COLLOR | 401/1543 | 00401.2801-2.4200N | Buy part |
| STEM, TAP 10 HELICOIDAL | 200/1749F (use 401/731) | 200/1749F | Buy part |
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