What is the difference between 3970 and 5004?
The ref. The end result is a complicated, modern, horological marvel that is now considered one of the most important and desirable complicated patek philippe watches ever made. A-010. The patek philippe grandmaster chime ref. A-010 is arguably the most difficult patek philippe watch to obtain. Released to celebrate the brand’s 175th anniversary, this timepiece features 20 complications, making it one of the most complex wristwatches ever made.Patek Philippe is committed to the preservation and endurance of your piece, but in order to fully appreciate a Patek Philippe watch, the owner must take consistent care and respect its mastery. Every three to five years, Patek Philippe recommend servicing your watch to maintain its quality in performance and beauty.