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Longines 37.9
Ligne: 12'''
Jewels: 15
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1949-1950
Diameter: 26.5 mm
Height: 3.95 mm
Hands: 1.40 x 0.66 / 0.20 mm
The Longines 37.9 manual wind watch movement was produced between 1949 and 1950, with a total of 391,000 units manufactured during this period. The movement features a bimetallic screw balance and Breguet hairspring. Its functions include manual winding and a sub-second feature.
The Longines 37.9 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1856 | Ordinary/None | Buy staff |
| 2796 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.130 x 340 x 11.0 mm | GR3339 | Manual | Buy mainspring |
| 1.30 x 0.115 x 320 x 9.5 mm | GR3295 | 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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