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Return To ShopThe ETA 1233 watch movement is an open face calibre with a Breguet hairspring and early samples feature a bimetallic screw balance. Other than the varying bridge layouts, no differences are known between the 528 and 536 movements. It offers functions such as stem wind and set, sub second, reverse winding, and was primarily used around the 1920s.
The ETA 1233 features the following functions:
Ronda Reference # | Shock System | Buy |
---|---|---|
571 | Ordinary/None | Buy staff |
572 | Ordinary/None | Buy staff |
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 |
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