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