5. Patek Philippe Grandmaster Chime ref. 6300 – $31 million
This is the most complicated watch the company has ever produced. The Grandmaster Chime features 20 complexities, a detachable case, and two distinct dials that have been designed to last 100,000 hours. A minute hand, date repeater, time struck alert, instantaneous perpetual calendar, and a four-digit year display with a spring loop are all included. With 20 functions, the watch includes two dials, one on the front and one on the back. It has 1366 pieces and uses calibre 300 motions to work.
