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eta 2783/2824 selfwinding mechanism?

panchoskywalker
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panchoskywalker Watch Enthusiast

panchoskywalker

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Hello, 

Does anybody know if the automatic mechanism is interchangeable on ETA movement?

I'd like to install an ETA2824 mechanism onto an ETA2783. Is that possible?

Here's a picture of the 2783 mechanism.

From what I've read here, the only difference is in the rotor: "the rotor of the ETA 2783 is, unlike to that of the ETA 2824, only axle and not ball-beared."

https://17jewels.info/movements/e/eta/eta-2783/

ETA_2783_Automaticmechanismus.jpg

 

 

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HSL Distinguished Member

HSL

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Posted

I always think experiments like this is quite charming. It seems the guys at ETA thinks the same since the movement (2824-2) can surface with a big array of different configurations.
The automatic bridge in the 2783  is quite similar to an 2824-2 but not quite exact.
Though the dimensions might vary as in this case the outer dimensions, many of the parts still are interchangeable.
Here is an 2824-2 with an classic incablock balance bridge.

AutoMech.png

IMG_20190219_070232.jpg

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rogart63 Distinguished Member

rogart63

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Don't think the automatic bridge would fit the 2783. But maybe u could use the 2824 rotor on the 2783 bridge. Or you can change the plain old bronze bushing for a bearing from the 2824. Don't have any 2824 rotor  at home but if i had i could have tested.  

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