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Return To ShopThe IWC 431 is a mechanical watch movement designed in the year 1942. It features a Breguet hairspring and a stem mechanism without a setting-lever spring. This movement operates through manual winding and includes a sub-second function. It was used during the period from 1942 onwards.
The IWC 431 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
1.35 x 0.145 x 380 x 12.0 mm | GR3530 | Manual | Buy mainspring |
1.35 x 0.140 x 360 x 12.0 mm | Manual | Buy mainspring |
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