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Return To ShopThe ETA 2390 is a mechanical watch movement that features a Breguet hairspring and a monometallic screw balance with four adjustment screws. It is a stem-wind chronograph movement with a 60-second and 30-minute counter, operated by a pillar wheel. Additionally, it includes a sub second function. The ETA 2390 was developed around 1919.
The ETA 2390 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
1.50 x 0.140 x 320 x 11.5 mm | GR4227 | Manual | Buy mainspring |
1.50 x 0.135 x 340 x 11.0 mm | GR4207 | Manual | Buy mainspring |
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