Longines L688.2 (ETA A08.L01)

[Paul78]

Can anyone help me, I’m looking for a strip down diagram of the above movement. I’ve searched online and can’t find anything, apparently the Omega 3330 is based on the same movement. It’s a chronograph with column wheel only made for ETA apparently.

the one I have has had some damage and the chronograph second counter hand snapped off with part of the shaft still stuck inside. For some reason I’m unable to remove the chrono second counter wheel, it seems to be jammed, I’ve removed all of the auto parts so can see it but it just doesn’t seem to want to come out. Looking at it, it just looks like a modified valjoux 7750 and I know the second counter wheel on those just lifts out.

Any help would be appreciated.

Paul

[clockboy]

The nearest I could find was this it might help:

 

ETA A07.161 - Technical Communication.pdf

[Paul78]

8 minutes ago, clockboy said:

The nearest I could find was this it might help:

 

ETA A07.161 - Technical Communication.pdf

Yeh I’ve been unable to find anything, I’ve tried the ETA website and they say it doesn’t exist when searching for it. Thanks for trying. The image below is all I can get from the Longines website.