Pivoting Sapphire Crystal Question.

Mar 15, 2008,09:03 AM
 

22 or 23 years ago I had a watch with a crystal that sat on the watch face on a hinge and it could be opened by pulling on a small knob thus exposing the dial. The watch had a moon phase and the numbers were not raised so the watch was not for the blind.

 

I have always wondered why the crystal was hinged and pivotal. Does anyone remember seeing this and know the explanation?

 

Thanks all in advance.

 

 

noble

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I suppose I will take this question to my grave:)

 
 By: mont : March 16th, 2008-10:21
I've been asking it for a few years now and still have no answer....c'est la vie! noble

Could it be...

 
 By: ticktock : March 16th, 2008-14:06