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Longines 990.1
Ligne: 12.5'''
Jewels: 24
Lift Angle: 49°
Power Reserve: 50 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1967-1970
Diameter: 28.4 mm
Height: 5.55 mm
Hands: 1.50 x 0.80 x 0.18 mm
The Longines 990.1 is a chronometer watch movement with various functions including automatic winding, sweep seconds, day display, and quickset date adjustment by repeated pulling of the crown. It features an Adjustable Stud Holder, Incabloc Shock Protection, and a Day and Date Display. The movement was used during the period of 1967-1970.
The Longines 990.1 features the following functions:
- Adjustable Stud Holder
- Automatic Winding
- Date: quickset by repeated pulling the crown
- Day
- Day and Date Display
- Incabloc Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.05 x 0.120 x 340 x 10.0 mm | GR2535X | Auto | 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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