Watch Database
Longines 320
Ligne: 11.75'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1975
Diameter: 26.8 mm
Height: 3.95 mm
Hands: 1.50 x 0.90 x 0.20 mm
The Longines 320 watch movement, which was in use around 1975, features several functions including manual wind, sweep seconds, and a quickset date mechanism that can be activated by repeatedly pulling and pushing the crown. The movement also incorporates shock protection and a sweep seconds hand. In early samples of the movement, the minute wheel was noted to run on ruby studs.
The Longines 320 features the following functions:
- Date: quickset by repeated pulling and pushing the crown
- Manual Winding
- Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.120 x 360 x 10.5 mm | GR37301 | Manual | Buy mainspring |
| 1.35 x 0.120 x 340 x 10.0 mm | GR3515 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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