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How to open Helbros (France) case


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There is no lip on the back case, don't think it pries off.  Note the watch back stands proud of the case by 1/8 of inch or so.

I pulled the crystal, and have put quite a bit of pressure on the stem - don't think it is split stem.  But, the dial is way to big too go out the back.

I bought a bezel removal tool, it does not move the face bezel at all.  

Any ideas?   Thanks!

 

 

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Edited by gaseff
typo
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13 hours ago, gaseff said:

There is no lip on the back case, don't think it pries off.

It does. Just go around it with a japanese type caseback tool, its tip may need to be sharpened a little. There are also lever type tools but doesn't look like it's needed for this.

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I recommend againat using razor blades, very unsafe and no way to exert and control force without making some of handle. If a caseback knife is not available an x-type knife can work as well. 

Edited by jdm
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1 hour ago, jdm said:

I recommend againat using razor blades, very unsafe and no way to exert and control force without making some of handle. If a caseback knife is not available an x-type knife can work as well. 

Thanks for advice Jdm, that explains why I only got one finger left. 

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