“The Temperature in this laboratory is held at 21°C and also the humidity at 45 for every cent,” explains Sylvain Jeanneret, the man who heads up the eight-strong crew with the Patek Philippe lab in Neuchâtel, from powering his white mask, which is only one Component of his head-to-toe covering. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/