How many Patek Philippe Grandmaster Chime are there?

There are only seven Patek Philippe Grandmaster Chime watches in existence. The Swiss luxury watchmaker produced this limited edition timepiece in 2014 to celebrate their 175th anniversary. Known as the most complicated watch ever made by Patek Philippe, the Grandmaster Chime boasts twenty complications, which include a date repeater, an instantaneous perpetual calendar and a strikework isolator display. Find a wide variety of Patek Philippe watches on 1stDibs.