Discover the astronomical principles behind Audemars Piguet’s perpetual calendar

Summary

In partnership with: Audemars Piguet The Swiss haute horlogerie manufacturer’s chief industrial officer, Lucas Raggi, and its heritage and museum director, Sebastian Vivas, explain how the perpetual calendar can keep track of the day, date and month for up to 100 years before any manual correction is needed. Subscribe to our YouTube channel for free here: https://sc.mp/subscribe-youtube Support us: https://subscribe.scmp.com Follow us on: Website: https://www.scmp.com Facebook: https://facebook.com/scmp Twitter: https://twitter.com/scmpnews Instagram: https://instagram.com/scmpnews Linkedin…

Description from South China Morning Post.