The Patek Philippe Annual Calendar (ref. 5396R-001) is an elegant 38mm rose gold unisex watch featuring a silver "sector" dial with a clean, understated design. Powered by an automatic movement with a 45-hour power reserve, it showcases an annual calendar complication. This piece has a sapphire crystal. While this listing from Switzerland indicates no original box or papers, new models available through Geneva Watch Company here in Shimla would include the complete set. This Annual Calendar embodies Patek Philippe's timeless sophistication and functional elegance.