2836 Stops After Two Days

[danizzz]

Something strange happen with my 2836. It stops after two days like the automatic module doesn't work.

I tried to move the watch on the wrist without winding and after like 4 hours stops again. The rotor moves. Don't know what happen.

No troubles on the timegrapher.

[rogart63]

Probably the reverse wheel is broken? Does the rotor wind the spring?If not?  The reverse wheel is usually the problem. 

[danizzz]

Yes the rotor wind the spring

[danizzz]

When I remove the rotor I can hear a sound like an unwinding of the spring. What does it mean? Is it normal?

[omgiv]

What happens when you wind it manually? Can you post some pictures?

[danizzz]

It winds normally no movement of the rotor during winding operation

Edited March 20, 2016 by danizzz

[Ishima]

I would have said it sounds like a mainspring/click/barrel issue but you say it runs for the full 48 hours when wound manually? from that it sounds like something wrong with the automatic bridge/assembly, but then I'm not sure why you'd hear the mainspring letting down from removing the rotor... 

[SSTEEL]

I have experienced similar issues, and they have turned out to be either the main spring, reverse wheels, or Intermediate wheel.

[clockboy]

I had an issue a few years ago with a ladies watch which had an ETA auto movement (sorry forget the caliber) with the same issue. After many attempts to to fix on the suggestion of Mark I changed the reverser wheels & the problem was resolved.

[danizzz]

I Have another symptom.

When I move the wrist, sometimes, I can hear a loud sound like the sound of winding the stem. Is it normal?

[rogart63]

That is probably the rotor that moves? when it rotating it makes a sound like that? If it's  very loud and has a clonk sound it could be worn? I think you should have the watch opened and have a look. If the reverse wheel is broken the rotor spins freely inside the watch? Time for a service?