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JK / Cartel 1680 different from the past


chriz74

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Hi, yesterday I got a JK 1680 from HK. I had one some years ago and I was keeping a Sternkreuz glass to replace the one that comes with the watch (the lens magnifies too much).

To my surprise I found the glass was glued to the case. I had to dismantle everything and use a pipe wrench to get a grip and remove it. The crown seems also smaller (thinner) than the past.

Do we have comparison pics for these JK watches over the years? I got it from Marvellousreplica.
 

In the pic my gen 1675 and JK 1680.

 

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Edited by chriz74
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I also found the glued plexi on mine, I noticed that the plexi sits a bit loose, on the 5513 that I have (bought two month ago) the plexi was sitting more straight on case.
It think that tolerances varies from one to other.


Inviato dal mio iPhone utilizzando Tapatalk

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"To my surprise I found the glass was glued to the case."

 

Next time you have a '1680' apart, measure the diameter of the case neck, it should be 28.2mm (5512/5513/1680 are all 28.2mm).  If it is 28.2mm, it means the case neck is oem spec and any oem spec crystal/bezel combo should fit.

I had problems with crystals fitting properly on my DW '1680' cases because the case necks are 28.1 give or take.  I ordered a few assorted non genuine 127 crystals and tried them with different inner bezels until I found the closest fit.  Then I had to trial and error fit the rotating bezel to the inner bezel because they are hit or miss when you mix them up.  It was a hassle but I got by without using any glue.

 

The Sternkreuz XS303.430 crystal should be oem spec or very close.

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31 minutes ago, automatico said:

"To my surprise I found the glass was glued to the case."

 

Next time you have a '1680' apart, measure the diameter of the case neck, it should be 28.2mm


Did you ever put a Yuki dial in a JK case?

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