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International Durowe 7421
(Durowe)
Jewels: 19
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1933-1939
Diameter: 39.75 mm
Height: 4.3 mm
Hands: 1.65 x 0.92 / 0.27 mm
The International Durowe 7421 watch movement was produced from 1933 to 1939 in 7,000 units. It features an open face calibre, specifically the model 10. The movement is equipped with a bimetallic screw balance and a Breguet hairspring. Additionally, it offers stem winding and setting functionality, sub-second hand display, and is designed to fit a 14-size plate.
The International Durowe 7421 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.65 x 0.160 x 15.5 mm | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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