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Return To ShopThe ETA 1231 is a manual wind, sub second watch movement that was in use around 1930. It belongs to a group of movements that includes various bridge layouts, some of which may be labeled as AS 340. The ETA 1231 is part of a series of movements that have different designations, but the specific differences between them are unknown.
The ETA 1231 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
1.50 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
1.50 x 0.105 x 280 x 9.0 mm | GR41332 | Manual | Buy mainspring |
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