“The Temperature With this laboratory is held at 21°C as well as humidity at forty five per cent,” describes Sylvain Jeanneret, The person who heads up the eight-potent workforce for the Patek Philippe lab in Neuchâtel, from guiding his white mask, which is just one Element of his head-to-toe covering. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/