cal_11,
thx for this interesting picture. For me, this is a even new version of
"colour changed inner scalering" with this realy wide blue boarder.
i would propose to us/the people, who are involved with there watches/
pictures from there watches, that we don't make a combat with arguments
for the inner scale ring of our own watches, we showed here.
i think, that - wich theorie ever is correct - this "phenomenom" is very
interesting to notice and i never saw this in this extremity way at other
watch modells.
Let's have fun with our rare big case GMT's 812 and 2115 and perhabs one
day there will be a "colour-academic", who can explane to us, or for someone
here it is easy to explane a colour changing for example from blue to (at the end
of this process) dark brown.
Perhabs some years later, this "special effect" makes our watches to
a real star in the vintage watch market.
For all of us it would be more easy, if Breitling had produced the watches, as
they showed them in this catalog (with white inner scalering) - does anyone ever saw these?

that is vintage
Stephan