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Return To ShopThe Gruen 501 is an open face calibre watch movement with a cylinder escapement. It features stem wind and pin set functions, as well as a sub-second display. The movement was commonly used during the period around 1920.
The Gruen 501 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
2.20 x 0.200 x 460 x 16.0 mm | Manual | Buy mainspring |
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