By Roberta Naas Vacheron Constantin has long been known for its unwavering dedication to perfection and complications. This year at SIHH 2017, the brand stands true -- unveiling a one-of-a-kind watch that is the brand's most complicated wristwatch to date (It even tops the current holder of the title "most complicated wristwatch" currently on the market). The Les Cabinotiers Celestia Astronomical Grand Complication 3600 was five years in the making and offers an incredible 23 functions via its two-sided dial