[Q]1570 Calendar Wheel Cam Spring.

[peterSS]

Hello

While I was assembling the Cam Spring I broke it, so I bought a new one to replace it at ebay. (Actually not a new one)
But the new one does not fit to the groove of the movement.
So I wonder if it is not a genuine part.

The left one in the picture is my old one which is perfectly fit to the groove, but the right one is a new one which is not fit to the groove.

Can you give me an opinion if the right one is genuine or not ?

Thanks in advance.

[Sherbie]

I am certainly no watchmaker

But to me, you have not inserted the part correctly in the right hand photo


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[Nickn]

That’s the point it won’t seat properly

[peterSS]

The point is that it's not possible to set the spring properly.
I tried several times to align the spring correctly, but failed.