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My LeCoultre has a similar problem as previously described but this watch Known as the Master Quartz runs perfectly face down but stops after a few minutes face up.  Also when you pull/push the crown, this will start the watch but again only runs up to 5 minutes then stops.  What is the best course of action to repair this watch?  I am very weary to work on this watch because it is an expensive watch.   vrfr 

20180216_151544.jpg

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Nice looking watch. Think there are plenty of parts for this movement. I have worked on favre leuba that has the same movement . Girrard perregaux has it to . Think they where the first quartz watches? 

Have a slight feeling i have read something about the stepper motor can be broken? There is a place you can look and that is crazywatches.pl. 

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Sorry, I have been away, I thought the same about a loose or intermittent battery connection.  I've made sure the contacts are solid.  I did clear/clean a small amount of battery corrosion.  I have the correct size fresh battery in it.  The watch is keeping perfect time as long as it is face down.  I will try and check out the stepping motor.  The watch might have to be disassembled to find the problem.  I thought about using a demagnetizer to exercise the wheel/motor train.  I do not know if that is a good idea.  I certainly do not want to amplify the problem.  Any other suggestions are appreciated.

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Mark Lovick had a video recently where he was servicing a quartz movement that ended up having a broken pivot on one of the wheels, so that's not beyond the realm of possibilities. Positional problems usually indicate a bind or misalignment in the train or motion work. It's probably going to require disassembly to properly diagnose. 

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    • Okay, I checked with the fine folks at the McCaw Company, and they agree it's the correct crystal, and they have one in stock, so with that sorted time to get onto assembly. Starting by getting the spring into the barrel, which was a bit harrowing. It took me several tries to get it hooked onto my worn old winder arbor, but I did find a new use for the micrometer stand I just purchased. Carefully dabbed some Kluber P125 braking grease to the left of the divots around the barrel, and a little HP1300 on the floor of the barrel before popping it in--in case you haven't seen it, this is a great illustration I found somewhere on this site. You're not the boss of me, Bulova.   2172_Bulova 11AOAC 11AOACD 11AOACB.pdf Bulova_11 AOAC, D, B(1).pdf I got the train back in and it didn't seem as free as I'd like. Looks like the driving wheel with cannon pinion has zero end shake. That could explain the low amplitutde I started with. Now if you were me, would you push on the plate jewel or the bridge jewel? I've attached some extra pictures in case anyone sees something else I'm doing wrong here.
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