“The Temperature On this laboratory is stored at 21°C and also the humidity at forty five per cent,” points out Sylvain Jeanneret, the man who heads up the eight-strong staff on the Patek Philippe lab in Neuchâtel, from behind his white mask, which is just one part of his head-to-toe https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/