Movement Swaps

[Tools]

The Tudor movements are based on an ETA ebauch and it might be there is a variation in the movement diameter (I'm sure there are charts available).

It is also likely that the pins that locate the different dials are not in the same position on the Rolex movement and the ETA movement which would preclude just fitting it in place

I expect that this could be done. Either the case would need to be machined larger, or custom packing (shimming) fitted if the Rolex movement is smaller. In addition, the movement would then need to be drilled and pinned to properly locate the Tudor dial..

You need to be more clear....If you have a Tudor that does not work, there are plenty of ETA movements around that could be adapted.. It doesn't make sense to destroy or lose an early vintage Rolex movement for this purpose.