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Discussion Starter #1
For lack of designated forum for the Gerard Perregaux I am posting my question here...

Can anyone please show me how do I release the stem from this movement?

its a Gyromatic HF 440 series



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Discussion Starter #3
Why don't you take it to a watchmaker?
Because all i need to do is remove a tiny dust flake the Watchmaker didn't see before he closed the case after a full service, and since all it takes is just to remove the movement and blow some air to fix this issue i see no point in driving 50km to the watchmaker.
 

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I have no experience with this movement, but It looks like a push button sits in the notch of the winding bridge, adjacent to the stem and just left as you look at the movement with the crown up.

But I predict that you will end up with more dust than you remove.

Rick “not as easy as it looks to remove dust” Denney
 
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Correct. And before you do that, it is usually wise to pull out the stem into the setting position, otherwise on return, you risk getting the system jammed in a position where you are fully in with the stem but can only set the time.....

Hartmut Richter
 

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Discussion Starter #8
Thank you very much YuriyV and Hartmut Richter for your helpfully advice. After figuring out the two screws holding to movement I managed to remove the movement, clean the dial and inside of the glass and re-assemble it all back. Again, Thank you.

Can you please point me to the glass size/width?

Great weekend to all.
 
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