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International Durowe 391-4
(Durowe)
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: 1906-1916
Diameter: 29.63 mm
The International Durowe 391-4 watch movement, produced between 1906 and 1916 with a total of 274,000 units, belongs to the hunter calibre, model 2. It features a bimetallic screw balance and utilizes a Breguet hairspring. The movement incorporates a negative stem mechanism, enabling capabilities such as stem winding and setting, as well as a sub second function.
The International Durowe 391-4 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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