Vintage
Friends, We have seen the Sine logo in several examples. Like this Girard-Perregaux Chronometer HF, reference 8795 with Sine Logo, inside is the famous 32A automatic movement: Or like this Girard-Perregaux Chronometer HF, reference 8856 with Sine Logo, inside is the 30.7 manual movement: (Watch cred
Interesting historical fact, Mr. Historian. Blue!! Mr. Blue Historian!
But if I understand correctly not all HF watches wore them - is there method behind the choice, which ones get it and which not?
I had not noticed those models previously. And another...
I'll see if I can dig out a dial shot of my electronic GP...
Gathered becomes knowledge. Priceless in the vintage world! Best Blomman
That is why I try to pin down the "which and why"! Best Blomman
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