quattro[Moderator]
18237
Patek Philippe ref. 5270 & 5271
Here are, in chronological order, all variants to date of Patek Philippe's most recent take on the Perpetual Calendar Chronograph complication.
Enjoy!
(Photos credit: multiple websites)
Ref. 5070

5270G-001 (2011) No tachymeter scale
5270G-013 (2013) with the ”chin"

5270G-015 (2013 - 50 pieces for Munich KunstWerkUhr fair)

5270G-014 (2014) with the "chin"

5270G-018 (2015 redesign)

5270G-019 (2015 redesign)

5270G (custom made piece unique, date unknown)

5270R-001 (2015 - first rose gold version)

5270/1R-001

5270P-001 (2018)

5270J-001 (2020)

5270P-014 (2022)

5270T-010 (2022 piece unique for the Children Action charity auction)
Ref. 5071 
5271P-001 (2014)

5271/11P-001 (2017)

5271/11P-010 (2022)

5271/12P-001 (2017)

5271/12P-010 (2022)

5271/13P-001 (2017)

Caliber CH 29-535 PS Q