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Return To ShopThe International Durowe 7420 is a mechanical watch movement with various bridge layouts. It is often labeled as AS 340 and has specific designations in old data sheets. Notably, there are differences between the A. Schild movements, but the exact variations between models such as 302, 303, 311, 313, 323, 324, 328, 329, 333, 340, 342, 344, 361, 362, 365, 371, 383, 396, 473, 546, 549, 569, 585, 595, 603, 621, 629, 636, 694, 709, 714, 717, 720, 731, 775, 790, 803, 825, 915, and 951 are not known. The International Durowe 7420 movement features manual winding, a sub-second function, and was commonly used around 1925.
The International Durowe 7420 features the following functions:
Ronda Reference # | Shock System | Buy |
---|---|---|
5350 | Ordinary/None | Buy staff |
5350 | Incabloc | Buy staff |
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
1.35 x 0.070 x 340 x 7.0 mm | GR3466 | Manual | Buy mainspring |
1.32 x 0.077 x 320 x 7.0 mm | Manual | Buy mainspring | |
1.30 x 0.080 x 300 x 7.5 mm | GR3205 | Manual | Buy mainspring |
Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
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