“The Temperature in this laboratory is stored at 21°C along with the humidity at forty five per cent,” describes Sylvain Jeanneret, the man who heads up the eight-sturdy workforce at the Patek Philippe lab in Neuchâtel, from guiding his white mask, which is only one Element of his head-to-toe masking. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/