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International Durowe 7428/1
(Durowe)
Ligne: 19'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 43.15 mm
Height: 5.6 mm
Hands: 1.85 x 1.10 / 0.27 mm
The International Durowe 7428/1 watch movement, utilized around 1930, incorporates a hunter calibre design, a Breguet hairspring, and early samples feature a bimetallic screw balance. The movement shares similarities with the Cortebert 537, with the main difference being variations in bridge layouts. Notable functions of the International Durowe 7428/1 movement include stem winding and setting, a sub-second display, right setting, and reverse winding.
The International Durowe 7428/1 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 571 | Ordinary/None | Buy staff |
| 572 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.30 x 0.200 x 460 x 16.0 mm | Manual | Buy mainspring | |
| 2.30 x 0.190 x 500 x 15.5 mm | GR6416 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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