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Longines 345
Ligne: 13'''
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1970
Diameter: 29.1 mm
Height: 5.5 mm
Hands: 1.75 x 1.20 x 0.21 mm
The Longines 345 watch movement features a pin-lever escapement and a sophisticated excenter self-winding mechanism with a single gear stage. The rotor arbor's excenter action controls a lever, which turns a ratchet wheel through two clicks. On the dial side, a planet differential gear combines the automatic and manual winding forces and transfers them to the barrel arbor using two planet wheels. This enables different gear ratios and allows for effective decoupling of both winding sources. The movement includes automatic, sweep seconds, and was used around 1970.
The Longines 345 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.100 x 10.0 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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