1675 dial patina vs 16800 patina?
The typical 1675 patina I see creates a “smooth” grayish dial. By contrast, this 16800 tritium dial looks more speckled. Is it different materials? Or just that some age differently? ...
A glossy dial...
From late eighties on a 5513 from late sixties. Again "bicchierini", it means white-gold surrounded indices but with only a very slight colour shift being really appreciable here. The tritium of the hour indices even quite matches the superwhite superlumi...
