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Dugena 991
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: 1917-1928
Diameter: 27.94 mm
The Dugena 991 watch movement was produced between 1917 and 1928, with a total of 126,000 units manufactured. This movement is equipped with a hunter calibre, specifically model 2. It features a bimetallic screw balance and a Breguet hairspring. The Dugena 991 also includes a negative stem mechanism. The movement is similar to the model 2, with a size of 0, but it has a smaller base plate. Additional differences between model 2, 4, and 6 are not known. The Dugena 991 movement offers the following functions: stem wind and set, sub second.
The Dugena 991 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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Documents
Parts Listing
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