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Return To ShopThe International Durowe 391-4 watch movement was produced from 1898 to 1903, with a total of 1800 units manufactured. It features a hunter calibre design and is equipped with a bimetallic screw balance, including four adjustment screws. The movement utilizes a Breguet hairspring and incorporates patented big bearings for the crown- and ratchet wheel. It also incorporates a barrel with Geneva stopwork. Additional information can be found in the IWC 52 19'''H5 model. The functions of the International Durowe 391-4 movement include stem wind and lever set, as well as a sub second dial.
The International Durowe 391-4 features the following functions:
Ronda Reference # | Shock System | Buy |
---|---|---|
4905 | Ordinary/None | Buy staff |
4101 | Ordinary/None | Buy staff |
4906 | Incabloc | Buy staff |
3899 | Incabloc | Buy staff |
5450 | Incabloc | Buy staff |
5448 | Incabloc | Buy staff |
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
1.60 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring |
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