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Longines 645.1
Ligne: 11.5'''
Jewels: 17/23
Lift Angle: 46°
Power Reserve: 40 hrs
Frequency: 21600 vph
Type: Automatic
Period used: 1969-1972
Diameter: 26 mm
Height: 4.55 mm
Hands: 1.40 x 0.85 x 0.20 mm
The Longines 645.1 watch movement, produced from 1969 to 1972, features an indirectly driven minute function that accommodates a comparatively large balance and reduces the overall profile of the movement. The rotor of the movement was modified during its production period. It is an automatic, sweep second, mechanical movement.
The Longines 645.1 features the following functions:
- Automatic Winding
- Mechanical Movement
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.115 x 320 x 10.0 mm | GR2644X | 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) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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