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Longines 290
Ligne: 11.5'''
Jewels: 17/28/44
Lift Angle: 52°
Power Reserve: 43 hrs
Frequency: 21600 vph
Type: Automatic
Period used: 1965-1973
Diameter: 26.4 mm
Height: 4.85 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Longines 290 watch movement, used between 1965 and 1973, incorporates a rotor bearing with 7 ruby balls. It has a total of 44 jewels, along with a detached manual wind mechanism. The movement offers multiple options for rotor shapes, including those resembling MST 437, without a slot, with a slot, and with a slot nickel-plated. Its features include automatic winding, sweep seconds, Incabloc Shock Protection, and sweep seconds.
The Longines 290 features the following functions:
- Automatic Winding
- Incabloc Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.100 x 9.5 mm | 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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