Horological Meandering

What doesn't show is a curious and charming hologram image embedded in the sapphire caseback window, featuring the GS logo. I'm convinced that it can't be photographed, (certainly not by me.) Maybe if the moon is in just the right phase, the perfect unfil...  

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Hi Grahame, Where did you get that info from? Kindest regards, Jack

Jack, can i be a purist policeman please? actually, i assumed it was engraved lightly into the glass. anything engraved into glass will fill with graphite if you rub a pencil over it. its a bit like brass rubbing we did as kids in churchs during school tr...