“The Temperature With this laboratory is retained at 21°C along with the humidity at 45 for every cent,” describes Sylvain Jeanneret, The person who heads up the eight-powerful workforce for the Patek Philippe lab in Neuchâtel, from driving his white mask, which is only one part of his head-to-toe masking. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/