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Langendorf 1027A
(Lanco, Lang)
Ligne: 11.5'''
Jewels: 17
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 26.3 mm
Height: 4.3 mm
Hands: 1.50 x 0.90 x 0.20 mm
Base: Gruen FEL 4019
The Langendorf 1027A is a manual wind mechanical watch movement with a sweep second hand. It features a day function that can be set by +/- 24 hours, and a date function that can be set by changing the time between 21:15 and 24 hours. The movement was commonly used in watches produced around 1970.
The Langendorf 1027A features the following functions:
- Date: set by changing 21:15-24h
- Day: set by +/-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 350 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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