For me 100 % false. A picture of the movement would be interesting. What is the resistance of gilded brass to seawater corrosion? Ask divers and sailors !!!!
Lets start with the bezel. It looks like it has a metal insert or printing on the surface of the insert and how many watches have you seen made by blancpain used this method. And the earlier known no rads came out in 1965 and thats five years early than t...