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Problems with Big Crown


Guest ThePhilosopher

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Guest ThePhilosopher

I won a big crown in a raffle late last year and after a snafu even getting the watch to arrive (postal problems), it did arrive; and I have been having problems with it since the first time I wore it. It has been sitting for a while as I try to find someone to service the watch, but that has been fruitless to date. If anyone has a suggestion on where to go to get this repaired, I'm all ears.

 

When I screw down the crown the second hand of the watch will do one of four things:

1) Run backwards and then stop

2) Tick at the same spot ad infinitum

3) Run normally and then 2

4) Run normally

There is also an audible click when I screw the crown down past a certain point.

 

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Guest ThePhilosopher

Specs as reported:

Modded Silix Big crown case
HR 6200 Dial
TC Min & HR hand (gold plated to go with gilt dial)
Tiger concept 2.05mm ball  sec hand
Athaya v2 8mm crown + stem adapter
Swiss ETA 2879 

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If winding, running, and setting work fine with the crown released from tube, my first suspect would be stem length causing some kind of binding , pressure, or torque in the movement. I know this doesn't specifically help you - but I would be interested to see. Hopefully a quick and easy fix!

B

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I'm thinking the same thing- stem is too long or too short- I just don't know which it is, but my guess is too long since I have a 5513 rep with the a21j movt. and the short stem just makes it hard to wind- the crown engages with the tube too soon when winding.

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3 hours ago, alligoat said:

I'm thinking the same thing- stem is too long or too short- I just don't know which it is, but my guess is too long since I have a 5513 rep with the a21j movt. and the short stem just makes it hard to wind- the crown engages with the tube too soon when winding.

 

Yeah. Too short wouldn't make it go backwards. I would guess too long and the pressure is causing it. 

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Hey all just checking in with an update.  Got it back up and running smoothly.  End conclusion what that the movement was loose in the case (movement ring was not a great fit) and therefore making changing the crown positions challenging/problematic.  The running backwards I think was caused when the crown wouldn't be able to be put back into normal position and was jammed somewhere between time set and calendar set position and this being a non-hacking movement caused the reverse run.    Anyways took it apart and found the calendar wheel and day wheels were rubbing also on the back of the dial so I chose to leave them out during the reassembly, figured flaking paint and the friction was not a nice thing to have going on inside :).   Also installed a hacking lever after talking with Philosopher.

 

Anyways here are a couple photos as we all love pics!

 

 

DSC_2799.jpg

DSC_2801-Edit.jpg

DSC_2808.jpg

DSC_2810.jpg

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