Hands-on – The Patek Philippe Annual Calendar 5396R-016, Celebrating 30 Years of an Ingenious Complication

Introduced in 1996 with the reference 5035, Patek Philippe’s Annual Calendar was neither a simplified perpetual calendar nor an upgraded complete calendar, but an entirely new mechanism protected by a patent; we explained the full story of its creation and evolution in this article here. By automatically distinguishing between months with 30 and 31 days, […]