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