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Langendorf 6540
(Lanco, Lang)
Ligne: 11.5'''
Jewels: 17
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1955-1967
Diameter: 25.8 mm
Height: 4.0 mm
Hands: 1.41 x 0.79 x 0.18 mm
The Langendorf 6540 watch movement, manufactured during the period 1955-1967, features a Trilastic suspension and is likely to incorporate a left-handed ratchet-wheel screw as observed in the 84/S3 model. This manual wind movement also includes functions such as sweep second and date display.
The Langendorf 6540 features the following functions:
- Date
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.120 x 320 x 10.5 mm | Manual | 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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