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remove omega 354 from case

chriz74

By chriz74
in Watch Repairs Help & Advice

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chriz74 WRT Addict

chriz74

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Can anyone help? I can't find any good disassembly video online for this movement. I removed the only screw that seems there to keep the movement in place but it doesn't move. Shouldn't it rotate so to be able to remove the clamp or how it's called ? It moves very little then it becomes very hard. I don't want to force it.

Screenshot 2020-08-13 at 14.16.07.png

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watchweasol Distinguished Member

watchweasol

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Hi   have a look for a locking ring which moves round the movement to align two slots where the case pieces fit and remove movement  Check that although the back comes off the case that its not a front loader and requires the bezel removing so the movement can be removed through the front.  attached is the 345 tech sheet and the omega basic checks sheet.

4183_Omega 345.0808 ST.pdf 8643_WI_81 BASIC CHECKS AND SETTINGS OF A MECHANICAL WATCH_EN.pdf

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chriz74 WRT Addict

chriz74

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Thanks however this doc doesn't help understanding how to take the movement off. The bezel is not snap in so it must come out from the back, I am pretty sure the movement should rotate enough to free the clamp to be removed but it doesn't. 

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jdm Distinguished Member

jdm

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21 minutes ago, chriz74 said:

Thanks however this doc doesn't help understanding how to take the movement off. The bezel is not snap in so it must come out from the back, I am pretty sure the movement should rotate enough to free the clamp to be removed but it doesn't. 

Please post a picture of the face, if the dial is larger than the case opening it is a front loader as mentioned above, bezel or not. 

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chriz74 WRT Addict

chriz74

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12 minutes ago, jdm said:

Lift it on the screw side. 

There is no room for getting under it and lift it. Also if you look closely it seems it sits under that thing (the banking stop) with the springs, which appears to be screwed in from the dial side.

 

Screenshot 2020-08-13 at 17.43.36.png

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chriz74 WRT Addict

chriz74

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1 minute ago, watchweasol said:

Yes  I think like the stem he had loosened it before hand and removed the clamp. Some of these clamps are a good fit and need some wiggling to get out.

ok but this one is under the banking stop and under the case. The banking stop is screwed from the dial side.

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chriz74 WRT Addict

chriz74

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I was able to remove it by lifting the movement from the point were the clamp was. I replaced the hands. However this bride is not correct for this movement / case. It's too large. It was sitting under the bank stop and now I can't put it back... 

 

1925272791_Screenshot2020-08-13at19_44_42.png.f21b89cef62896936195b7a3b9679e03.png

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chriz74 WRT Addict

chriz74

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Yesterday I had a very hard time trying to put the watch back together. The clamp is really difficult to put back. I also had to reduce thickness with a dremel, it was 1.8mm now it's 1.5mm and should enter. Anyway while trying a spring dislodged and now I hope I can put it back.

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watchweasol Distinguished Member

watchweasol

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Hi  well done , Persistance pays off.  Some times with watches they are not always correct, other repairs etc have probably taken place and non correct parts used , which when the next repairer tries to do things by the book he encounters difficulties as in you case. but once again well done:thumbsu:

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