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Return To ShopThe Jeambrun 23D is a mechanical watch movement manufactured around 1945. It features a stem winding and setting mechanism, along with a sub second function. The movement is seen in open face calibres, with optional Breguet hairspring and varying bridge shapes. Additionally, it may include a left-handed ratchet-wheel screw. There are several similar calibres, such as the 431, 435, 439, 445, 451, and 455, but the specifics and differences between them are not known. It is likely that these numbers serve as catalog designations for the varying bridge shapes utilized.
The Jeambrun 23D features the following functions:
Dimensions | GR Reference # | End Type | Buy |
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2.00 x 0.200 x 475 x 16.5 mm | Manual | Buy mainspring | |
1.90 x 0.210 x 520 x 16.5 mm | GR5676 | Manual | Buy mainspring |
Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Part Description | Reference # | Alternate | Buy |
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